- 27 11月, 2014 1 次提交
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由 Weike Chen 提交于
There are two SPI controllers exported by PCI subsystem for Intel Quark X1000. The SPI memory mapped I/O registers supported by Quark are different from the current implementation, and Quark only supports the registers of 'SSCR0', 'SSCR1', 'SSSR', 'SSDR', and 'DDS_RATE'. This patch is to enable the SPI for Intel Quark X1000. This piece of work is derived from Dan O'Donovan's initial work for Intel Quark X1000 SPI enabling. Reviewed-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NWeike Chen <alvin.chen@intel.com> Signed-off-by: NMark Brown <broonie@kernel.org>
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- 25 11月, 2014 1 次提交
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由 Weike Chen 提交于
There are several registers for SPI, and the registers of 'SSCR0' and 'SSCR1' are accessed frequently. This path is to introduce helper functions to simplify the accessing of 'SSCR0' and 'SSCR1'. Reviewed-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NWeike Chen <alvin.chen@intel.com> Signed-off-by: NMark Brown <broonie@kernel.org>
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- 06 11月, 2014 1 次提交
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由 Dmitry Eremin-Solenikov 提交于
If PM_RUNTIME is enabled, it is easy to trigger the following backtrace on pxa2xx hosts: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at /home/lumag/linux/arch/arm/mach-pxa/clock.c:35 clk_disable+0xa0/0xa8() Modules linked in: CPU: 0 PID: 1 Comm: swapper Not tainted 3.17.0-00007-g1b3d2ee-dirty #104 [<c000de68>] (unwind_backtrace) from [<c000c078>] (show_stack+0x10/0x14) [<c000c078>] (show_stack) from [<c001d75c>] (warn_slowpath_common+0x6c/0x8c) [<c001d75c>] (warn_slowpath_common) from [<c001d818>] (warn_slowpath_null+0x1c/0x24) [<c001d818>] (warn_slowpath_null) from [<c0015e80>] (clk_disable+0xa0/0xa8) [<c0015e80>] (clk_disable) from [<c02507f8>] (pxa2xx_spi_suspend+0x2c/0x34) [<c02507f8>] (pxa2xx_spi_suspend) from [<c0200360>] (platform_pm_suspend+0x2c/0x54) [<c0200360>] (platform_pm_suspend) from [<c0207fec>] (dpm_run_callback.isra.14+0x2c/0x74) [<c0207fec>] (dpm_run_callback.isra.14) from [<c0209254>] (__device_suspend+0x120/0x2f8) [<c0209254>] (__device_suspend) from [<c0209a94>] (dpm_suspend+0x50/0x208) [<c0209a94>] (dpm_suspend) from [<c00455ac>] (suspend_devices_and_enter+0x8c/0x3a0) [<c00455ac>] (suspend_devices_and_enter) from [<c0045ad4>] (pm_suspend+0x214/0x2a8) [<c0045ad4>] (pm_suspend) from [<c04b5c34>] (test_suspend+0x14c/0x1dc) [<c04b5c34>] (test_suspend) from [<c000880c>] (do_one_initcall+0x8c/0x1fc) [<c000880c>] (do_one_initcall) from [<c04aecfc>] (kernel_init_freeable+0xf4/0x1b4) [<c04aecfc>] (kernel_init_freeable) from [<c0378078>] (kernel_init+0x8/0xec) [<c0378078>] (kernel_init) from [<c0009590>] (ret_from_fork+0x14/0x24) ---[ end trace 46524156d8faa4f6 ]--- This happens because suspend function tries to disable a clock that is already disabled by runtime_suspend callback. Add if (!pm_runtime_suspended()) checks to suspend/resume path. Fixes: 7d94a505 (spi/pxa2xx: add support for runtime PM) Signed-off-by: NDmitry Eremin-Solenikov <dbaryshkov@gmail.com> Reported-by: NAndrea Adami <andrea.adami@gmail.com> Signed-off-by: NMark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
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- 18 9月, 2014 1 次提交
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由 Mika Westerberg 提交于
That field has been deprecated in favour of getting the necessary information from ACPI/DT. However, we still need to deal systems that are PCI only (no ACPI to back up). In order to support such systems, we allow the DMA filter function and its corresponding parameter via pxa2xx_spi_master platform data. Then when the pxa2xx_spi_dma_setup() doesn't find the channel via ACPI, it falls back to use the given filter function. Suggested-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: NMark Brown <broonie@linaro.org> Signed-off-by: NVinod Koul <vinod.koul@intel.com>
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- 20 8月, 2014 1 次提交
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由 Alan Cox 提交于
The SPI host controller is the same as used in Baytrail, only the ACPI ID is different so add this new ID to the list. Signed-off-by: NAlan Cox <alan@linux.intel.com> Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org
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- 17 6月, 2014 1 次提交
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由 Chew, Chiau Ee 提交于
It was observed that after module removal followed by insertion, the SW mode chipselect is not properly set. Thus causing transfer failure due to incorrect CS toggling. Signed-off-by: NChew, Chiau Ee <chiau.ee.chew@intel.com> Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 01 6月, 2014 1 次提交
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由 Antonio Ospite 提交于
In commit 7dd62787 (spi/pxa2xx: Convert to core runtime PM) master->auto_runtime_pm was set to true. In this case pm_runtime_enable() must be called *before* spi_register_master(), otherwise the kernel hangs with this error message: spi_master spi0: Failed to power device: -13 A similar fix, but for spi/hspi, was applied in 268d7643. Signed-off-by: NAntonio Ospite <ao2@ao2.it> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 30 4月, 2014 1 次提交
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由 Jingoo Han 提交于
The site-specific OOM messages are unnecessary, because they duplicate the MM subsystem generic OOM message. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 15 4月, 2014 1 次提交
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由 Axel Lin 提交于
Signed-off-by: NAxel Lin <axel.lin@ingics.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 23 2月, 2014 1 次提交
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由 Axel Lin 提交于
Signed-off-by: NAxel Lin <axel.lin@ingics.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 16 1月, 2014 1 次提交
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由 Mika Westerberg 提交于
CONFIG_PM will be set if either or both CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME is set. Compiling the driver with !CONFIG_PM_SLEEP causes following compilation warning: drivers/spi/spi-pxa2xx.c:1270:12: warning: ‘pxa2xx_spi_suspend’ defined but not used [-Wunused-function] Fix this by using CONFIG_PM_SLEEP instead. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 13 1月, 2014 1 次提交
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由 Mika Westerberg 提交于
Commit cddb339b (spi/pxa2xx: convert to dma_request_slave_channel_compat()) converted the driver to use ACPI provided DMA helpers but it forgot to initialize the platform data for the channels to -1. Failing to do so will result inadvertent match in the filter function because 0 is a valid channel number. Prevent this from happening by initializing both platform data channels correctly to -1. Fixes: cddb339b (spi/pxa2xx: convert to dma_request_slave_channel_compat()) Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org
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- 28 11月, 2013 1 次提交
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由 Chew, Chiau Ee 提交于
The Intel LPSS SPI private register bits have to be restored when system resume from S3 suspend. Signed-off-by: NChew, Chiau Ee <chiau.ee.chew@intel.com> Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 24 11月, 2013 1 次提交
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由 Mika Westerberg 提交于
Newer Intel PCHs with LPSS have the same SPI controllers than Haswell but ACPI IDs are different. Add these IDs to the driver list. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org
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- 17 10月, 2013 1 次提交
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由 Jarkko Nikula 提交于
User-visible strings are more difficult to grep from sources if they are separated to multiple source lines. This is worse than over 80 columns long line code style violation. Fix this by making those to single-line strings or by breaking them between variables. While at there, convert if (printk_ratelimit()) dev_warn() to use dev_warn_ratelimited in spi-pxa2xx.c. Signed-off-by: NJarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 26 9月, 2013 1 次提交
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由 Jingoo Han 提交于
Use devm_spi_register_master() to make cleanup paths simpler. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 05 9月, 2013 1 次提交
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由 Mika Westerberg 提交于
The current interrupt handler calls pm_runtime_suspended() to check if the device is suspended or not. However, runtime PM status of the device is only set to suspended once all PM runtime suspend hooks have executed. In case of Intel Lynxpoint we have the device bound to the ACPI power domain and its runtime suspend hook will put the device to D3hot (or D3cold if possible). This means that the device is powered off before its state is set to runtime suspended. While in this state the device might get an interrupt that is meant for another device (as the interrupt line is shared), and because the device is powered off accessing its registers will return 0xffffffff that the driver misinterprets as an invalid state. When this happens user will see messages like below on the console: pxa2xx-spi INT33C0:00: bad message state in interrupt handler Fix this by checking the status register for ~0 and returning IRQ_NONE in that case. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 30 7月, 2013 1 次提交
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由 Mark Brown 提交于
Signed-off-by: NMark Brown <broonie@linaro.org>
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- 15 7月, 2013 1 次提交
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由 Mika Westerberg 提交于
There is an additional bit in the Intel LPSS SPI private registers that needs to be set in order to be able to use DMA with the SPI controller. Enable this as well. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 21 6月, 2013 1 次提交
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由 Mika Westerberg 提交于
ACPI part of the driver accidentally used sizeof(*ssp) instead of the correct sizeof(*pdata). This leads to nasty memory corruptions like the one below: BUG: unable to handle kernel paging request at 0000000749fd30b8 IP: [<ffffffff813fe8a1>] __list_del_entry+0x31/0xd0 PGD 0 Oops: 0000 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 30 Comm: kworker/0:1 Not tainted 3.10.0-rc6v3.10-rc6_sdhci_modprobe+ #443 task: ffff8801483a0940 ti: ffff88014839e000 task.ti: ffff88014839e000 RIP: 0010:[<ffffffff813fe8a1>] [<ffffffff813fe8a1>] __list_del_entry+0x31/0xd0 RSP: 0000:ffff88014839fde8 EFLAGS: 00010046 RAX: ffff880149fd30b0 RBX: ffff880149fd3040 RCX: dead000000200200 RDX: 0000000749fd30b0 RSI: ffff880149fd3058 RDI: ffff88014834d640 RBP: ffff88014839fde8 R08: ffff88014834d640 R09: 0000000000000001 R10: ffff8801483a0940 R11: 0000000000000001 R12: ffff880149fd3040 R13: ffffffff810e0b30 R14: ffff8801483a0940 R15: ffff88014834d640 FS: 0000000000000000(0000) GS:ffff880149e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000168 CR3: 0000000001e0b000 CR4: 00000000001407f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Stack: ffff88014839fe48 ffffffff810e0baf ffffffff81120abd ffff88014839fe20 ffff8801483a0940 ffff8801483a0940 ffff8801483a0940 ffff8801486b1c90 ffff88014834d640 ffffffff810e0b30 0000000000000000 0000000000000000 Call Trace: [<ffffffff810e0baf>] worker_thread+0x7f/0x390 [<ffffffff81120abd>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff810e0b30>] ? manage_workers.isra.22+0x2b0/0x2b0 [<ffffffff810e6c09>] kthread+0xd9/0xe0 [<ffffffff810f93df>] ? local_clock+0x3f/0x50 [<ffffffff810e6b30>] ? kthread_create_on_node+0x110/0x110 [<ffffffff818c5dec>] ret_from_fork+0x7c/0xb0 [<ffffffff810e6b30>] ? kthread_create_on_node+0x110/0x110 Fix this by using the right structure size in devm_kzalloc(). Reported-by: NJerome Blin <jerome.blin@intel.com> Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@linaro.org> Cc: stable@vger.kernel.org # 3.9+
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- 30 5月, 2013 1 次提交
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由 Stephen Warren 提交于
Fill in the recently added spi_master.bits_per_word_mask field in as many drivers as possible. Make related cleanups, such as removing any redundant error-checking, or empty setup callbacks. Signed-off-by: NStephen Warren <swarren@wwwdotorg.org> Acked-by: NH Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 13 5月, 2013 4 次提交
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由 Jingoo Han 提交于
The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d063 (device-core: Ensure drvdata = NULL when no driver is bound). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Acked-by: NGrant Likely <grant.likely@linaro.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
Intel BayTrail has one general purpose SPI controller that is compatible with Intel Low Power Subsystem SPI. The controller is enumerated from ACPI namespace with ACPI ID 80860F0E. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
Now that we have these nice DMA API helper functions we can take advantage of those instead of open-coding the channel/request line extraction from ACPI. Use the _compat version which still allows passing the channel/request line from platform data. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
Commit cbfd6a21 (spi/pxa2xx: Convert to devm_ioremap_resource()) converted the driver to use devm_ioremap_resource(). However it causes following warning to be emitted: drivers/spi/spi-pxa2xx.c: In function ‘pxa2xx_spi_acpi_get_pdata’: drivers/spi/spi-pxa2xx.c:1094:3: warning: return makes pointer from integer without a cast [enabled by default] Fix this by returning NULL as it was done previously (error printing is already done by devm_ioremap_resource()). Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Cc: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 08 4月, 2013 1 次提交
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由 Sachin Kamat 提交于
Use the newly introduced devm_ioremap_resource() instead of devm_request_and_ioremap() which provides more consistent error handling. devm_ioremap_resource() provides its own error messages; so all explicit error messages can be removed from the failure code paths. Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org> Acked-by: NEric Miao <eric.y.miao@gmail.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 02 4月, 2013 1 次提交
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由 Rafael J. Wysocki 提交于
The ACPI handle of struct spi_master's dev member should not be set, because this causes that struct spi_master to be associated with the ACPI device node corresponding to its parent as the second "physical_device", which is incorrect (this happens during the registration of struct spi_master). Consequently, acpi_register_spi_devices() should use the ACPI handle of the parent of the struct spi_master it is called for rather than that struct spi_master's ACPI handle (which should be NULL). Make that happen and modify the spi-pxa2xx driver, which currently is the only driver for ACPI-enumerated SPI controller chips, not to set the ACPI handle for the struct spi_master it creates. Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com> Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 13 3月, 2013 1 次提交
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由 Mika Westerberg 提交于
Intel LPSS SPI controllers need to have bit 0 (disable_ssp_dma_finish) set in SSP_REG in order to properly perform DMA transfers spanning over multiple blocks. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 08 2月, 2013 6 次提交
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由 Mika Westerberg 提交于
Intel Lynxpoint PCH Low Power Subsystem has two general purpose SPI controllers that are LPSS_SSP compatible. These controllers are enumerated from ACPI namespace with ACPI IDs INT33C0 and INT33C1. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Tested-by: NLu Cao <lucao@marvell.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
Intel LPSS SPI is pretty much the same as the PXA27xx SPI except that it has few additional features over the original: o FIFO depth is 256 entries o RX FIFO has one watermark o TX FIFO has two watermarks, low and high o chip select can be controlled by writing to a register The new FIFO registers follow immediately the PXA27xx registers but then there are some additional LPSS private registers at offset 1k or 2k from the base address. For these private registers we add new accessors that take advantage of drv_data->lpss_base once it is resolved. We add a new type LPSS_SSP that can be used to distinguish the LPSS devices from others. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Tested-by: NLu Cao <lucao@marvell.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
This is useful when testing the functionality of the controller from userspace and there aren't any real SPI slave devices connected to the bus. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Tested-by: NLu Cao <lucao@marvell.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
Drivers should put the device into low power states proactively whenever the device is not in use. Thus implement support for runtime PM and use the autosuspend feature to make sure that we can still perform well in case we see lots of SPI traffic within short period of time. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Tested-by: NLu Cao <lucao@marvell.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
To be able to use DMA with this driver on non-PXA platforms we implement support for the generic DMA engine API. This lets user to use different DMA engines with little or no modification to the driver. Request lines and channel numbers can be passed to the driver from the platform specific data. The DMA engine implementation will be selected by default even on PXA platform. User can select the legacy DMA API by enabling Kconfig option CONFIG_SPI_PXA2XX_PXADMA. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Acked-by: NLinus Walleij <linus.walleij@linaro.org> Tested-by: NLu Cao <lucao@marvell.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
The PXA SPI driver uses PXA platform specific private DMA implementation which does not work on non-PXA platforms. In order to use this driver on other platforms we break out the private DMA implementation into a separate file that gets compiled only when CONFIG_SPI_PXA2XX_PXADMA is set. The DMA functions are stubbed out if there is no DMA implementation selected (i.e we are building on non-PXA platform). While we are there we can kill the dummy DMA bits in pxa2xx_spi.h as they are not needed anymore for CE4100. Once this is done we can add the generic DMA engine support to the driver that allows usage of any DMA controller that implements DMA engine API. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Acked-by: NLinus Walleij <linus.walleij@linaro.org> Tested-by: NLu Cao <lucao@marvell.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 26 1月, 2013 3 次提交
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由 Mika Westerberg 提交于
Convert clk_enable() to clk_prepare_enable() and clk_disable() to clk_disable_unprepare() respectively in order to support the common clk framework. Otherwise we get warnings on the console as the clock is not prepared before it is enabled. In addition we must cache the maximum clock rate to drv_data->max_clk_rate at probe time because clk_get_rate() cannot be called in tasklet context. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
The SPI core provides infrastructure for standard message queueing so use that instead of handling everything in the driver. This simplifies the driver. Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Acked-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Mika Westerberg 提交于
Fix following warnings seen when compiling 64-bit: drivers/spi/spi-pxa2xx.c: In function ‘map_dma_buffers’: drivers/spi/spi-pxa2xx.c:384:7: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] drivers/spi/spi-pxa2xx.c:384:40: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] drivers/spi/spi-pxa2xx.c: In function ‘pxa2xx_spi_probe’: drivers/spi/spi-pxa2xx.c:1572:34: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] drivers/spi/spi-pxa2xx.c:1572:34: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] drivers/spi/spi-pxa2xx.c:1572:34: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] drivers/spi/spi-pxa2xx.c:1572:27: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 08 1月, 2013 1 次提交
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由 Mika Westerberg 提交于
The spi-pxa2xx-pci glue driver had to implement pxa_ssp_request()/free() in order to support the spi-pxa2xx platform driver. Since the ACPI enabled platforms can use the same platform driver we would need to implement pxa_ssp_request()/free() in some central place that can be shared by the ACPI and PCI glue code. Instead of doing that we can make pxa_ssp_request()/free() to be available only when CONFIG_ARCH_PXA is set. On other arches these are being stubbed out in preference to passing the ssp_device from the platform data directly. We also change the SPI bus number to be taken from ssp->port_id instead of platform device id. This way the supporting code that passes the ssp can decide the number (or it can set it to the same as pdev->id). Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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- 08 12月, 2012 1 次提交
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由 Grant Likely 提交于
CONFIG_HOTPLUG is going away as an option. As result the __dev* markings will be going away. Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit. Bill Pemberton has done most of the legwork on this series. I've used his script to purge the attributes from the drivers/gpio tree. Reported-by: NBill Pemberton <wfp5p@virginia.edu> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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- 06 6月, 2011 1 次提交
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由 Grant Likely 提交于
Sort the SPI makefile and enforce the naming convention spi_*.c for spi drivers. This change also rolls the contents of atmel_spi.h into the .c file since there is only one user of that particular include file. v2: - Use 'spi-' prefix instead of 'spi_' to match what seems to be be the predominant pattern for subsystem prefixes. - Clean up filenames in Kconfig and header comment blocks Signed-off-by: NGrant Likely <grant.likely@secretlab.ca> Acked-by: NWolfram Sang <w.sang@pengutronix.de> Acked-by: NLinus Walleij <linus.walleij@linaro.org>
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