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Kernel
提交 2e8ce5e7 编写于 作者: A Alex Dubov 提交者： Pierre Ossman
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tifm_sd: prettify 

This patch introduces no semantic changes - it is here for estetic purposes.
Signed-off-by: NAlex Dubov <oakad@yahoo.com>
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>
上级 8e02f858
隐藏空白更改
内联 并排
Showing with 50 addition and 48 deletion
drivers/mmc/tifm_sd.c
浏览文件 @ 2e8ce5e7
......@@ -118,7 +118,7 @@ static void tifm_sd_kunmap_atomic(char *buffer, struct mmc_data *data)
}
static int tifm_sd_transfer_data(struct tifm_dev *sock, struct tifm_sd *host,
unsigned int host_status)
unsigned int host_status)
{
struct mmc_command *cmd = host->req->cmd;
unsigned int t_val = 0, cnt = 0;
......@@ -159,7 +159,7 @@ static int tifm_sd_transfer_data(struct tifm_dev *sock, struct tifm_sd *host,
t_val |= ((buffer[host->buffer_pos++])
<< 8) & 0xff00;
writel(t_val,
sock->addr + SOCK_MMCSD_DATA);
sock->addr + SOCK_MMCSD_DATA);
}
}
}
......@@ -220,7 +220,7 @@ static void tifm_sd_exec(struct tifm_sd *host, struct mmc_command *cmd)
cmd_mask |= TIFM_MMCSD_READ;
dev_dbg(&sock->dev, "executing opcode 0x%x, arg: 0x%x, mask: 0x%x\n",
cmd->opcode, cmd->arg, cmd_mask);
cmd->opcode, cmd->arg, cmd_mask);
writel((cmd->arg >> 16) & 0xffff, sock->addr + SOCK_MMCSD_ARG_HIGH);
writel(cmd->arg & 0xffff, sock->addr + SOCK_MMCSD_ARG_LOW);
......@@ -324,7 +324,7 @@ static void tifm_sd_process_cmd(struct tifm_dev *sock, struct tifm_sd *host,
/* Called from interrupt handler */
static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock,
unsigned int sock_irq_status)
unsigned int sock_irq_status)
{
struct tifm_sd *host;
unsigned int host_status = 0, fifo_status = 0;
......@@ -350,11 +350,11 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock,
if (host_status & TIFM_MMCSD_ERRMASK) {
if (host_status & TIFM_MMCSD_CERR)
error_code = MMC_ERR_FAILED;
else if (host_status &
(TIFM_MMCSD_CTO | TIFM_MMCSD_DTO))
else if (host_status
& (TIFM_MMCSD_CTO | TIFM_MMCSD_DTO))
error_code = MMC_ERR_TIMEOUT;
else if (host_status &
(TIFM_MMCSD_CCRC | TIFM_MMCSD_DCRC))
else if (host_status
& (TIFM_MMCSD_CCRC | TIFM_MMCSD_DCRC))
error_code = MMC_ERR_BADCRC;
writel(TIFM_FIFO_INT_SETALL,
......@@ -382,8 +382,8 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock,
if (host_status & TIFM_MMCSD_CB)
host->flags |= CARD_BUSY;
if ((host_status & TIFM_MMCSD_EOFB) &&
(host->flags & CARD_BUSY)) {
if ((host_status & TIFM_MMCSD_EOFB)
&& (host->flags & CARD_BUSY)) {
host->written_blocks++;
host->flags &= ~CARD_BUSY;
}
......@@ -393,22 +393,23 @@ static unsigned int tifm_sd_signal_irq(struct tifm_dev *sock,
tifm_sd_process_cmd(sock, host, host_status);
done:
dev_dbg(&sock->dev, "host_status %x, fifo_status %x\n",
host_status, fifo_status);
host_status, fifo_status);
spin_unlock(&sock->lock);
return sock_irq_status;
}
static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd)
static void tifm_sd_prepare_data(struct tifm_sd *host, struct mmc_command *cmd)
{
struct tifm_dev *sock = card->dev;
struct tifm_dev *sock = host->dev;
unsigned int dest_cnt;
/* DMA style IO */
dev_dbg(&sock->dev, "setting dma for %d blocks\n",
cmd->data->blocks);
writel(TIFM_FIFO_INT_SETALL,
sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
sock->addr + SOCK_DMA_FIFO_INT_ENABLE_CLEAR);
writel(ilog2(cmd->data->blksz) - 2,
sock->addr + SOCK_FIFO_PAGE_SIZE);
sock->addr + SOCK_FIFO_PAGE_SIZE);
writel(TIFM_FIFO_ENABLE, sock->addr + SOCK_FIFO_CONTROL);
writel(TIFM_FIFO_INTMASK, sock->addr + SOCK_DMA_FIFO_INT_ENABLE_SET);
......@@ -422,7 +423,7 @@ static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd)
if (cmd->data->flags & MMC_DATA_WRITE) {
writel(TIFM_MMCSD_TXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG);
writel(dest_cnt | TIFM_DMA_TX | TIFM_DMA_EN,
sock->addr + SOCK_DMA_CONTROL);
sock->addr + SOCK_DMA_CONTROL);
} else {
writel(TIFM_MMCSD_RXDE, sock->addr + SOCK_MMCSD_BUFFER_CONFIG);
writel(dest_cnt | TIFM_DMA_EN, sock->addr + SOCK_DMA_CONTROL);
......@@ -430,7 +431,7 @@ static void tifm_sd_prepare_data(struct tifm_sd *card, struct mmc_command *cmd)
}
static void tifm_sd_set_data_timeout(struct tifm_sd *host,
struct mmc_data *data)
struct mmc_data *data)
{
struct tifm_dev *sock = host->dev;
unsigned int data_timeout = data->timeout_clks;
......@@ -448,7 +449,7 @@ static void tifm_sd_set_data_timeout(struct tifm_sd *host,
sock->addr + SOCK_MMCSD_SDIO_MODE_CONFIG);
} else {
data_timeout = (data_timeout >> 10) + 1;
if(data_timeout > 0xffff)
if (data_timeout > 0xffff)
data_timeout = 0; /* set to unlimited */
writel(data_timeout, sock->addr + SOCK_MMCSD_DATA_TO);
writel(TIFM_MMCSD_DPE
......@@ -499,7 +500,7 @@ static void tifm_sd_request(struct mmc_host *mmc, struct mmc_request *mrq)
mod_timer(&host->timer, jiffies + host->timeout_jiffies);
host->state = CMD;
writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
sock->addr + SOCK_CONTROL);
tifm_sd_exec(host, mrq->cmd);
spin_unlock_irqrestore(&sock->lock, flags);
return;
......@@ -539,8 +540,8 @@ static void tifm_sd_end_cmd(unsigned long data)
r_data = mrq->cmd->data;
if (r_data) {
if (r_data->flags & MMC_DATA_WRITE) {
r_data->bytes_xfered = host->written_blocks *
r_data->blksz;
r_data->bytes_xfered = host->written_blocks
* r_data->blksz;
} else {
r_data->bytes_xfered = r_data->blocks -
readl(sock->addr + SOCK_MMCSD_NUM_BLOCKS) - 1;
......@@ -554,7 +555,7 @@ static void tifm_sd_end_cmd(unsigned long data)
}
writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
sock->addr + SOCK_CONTROL);
spin_unlock_irqrestore(&sock->lock, flags);
mmc_request_done(mmc, mrq);
......@@ -582,14 +583,14 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq)
if (r_data) {
tifm_sd_set_data_timeout(host, r_data);
host->buffer_size = mrq->cmd->data->blocks *
mrq->cmd->data->blksz;
host->buffer_size = mrq->cmd->data->blocks
* mrq->cmd->data->blksz;
writel(TIFM_MMCSD_BUFINT |
readl(sock->addr + SOCK_MMCSD_INT_ENABLE),
writel(TIFM_MMCSD_BUFINT
| readl(sock->addr + SOCK_MMCSD_INT_ENABLE),
sock->addr + SOCK_MMCSD_INT_ENABLE);
writel(((TIFM_MMCSD_FIFO_SIZE - 1) << 8) |
(TIFM_MMCSD_FIFO_SIZE - 1),
writel(((TIFM_MMCSD_FIFO_SIZE - 1) << 8)
| (TIFM_MMCSD_FIFO_SIZE - 1),
sock->addr + SOCK_MMCSD_BUFFER_CONFIG);
host->written_blocks = 0;
......@@ -603,7 +604,7 @@ static void tifm_sd_request_nodma(struct mmc_host *mmc, struct mmc_request *mrq)
mod_timer(&host->timer, jiffies + host->timeout_jiffies);
host->state = CMD;
writel(TIFM_CTRL_LED | readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
sock->addr + SOCK_CONTROL);
tifm_sd_exec(host, mrq->cmd);
spin_unlock_irqrestore(&sock->lock, flags);
return;
......@@ -642,8 +643,8 @@ static void tifm_sd_end_cmd_nodma(unsigned long data)
sock->addr + SOCK_MMCSD_INT_ENABLE);
if (r_data->flags & MMC_DATA_WRITE) {
r_data->bytes_xfered = host->written_blocks *
r_data->blksz;
r_data->bytes_xfered = host->written_blocks
* r_data->blksz;
} else {
r_data->bytes_xfered = r_data->blocks -
readl(sock->addr + SOCK_MMCSD_NUM_BLOCKS) - 1;
......@@ -656,7 +657,7 @@ static void tifm_sd_end_cmd_nodma(unsigned long data)
}
writel((~TIFM_CTRL_LED) & readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
sock->addr + SOCK_CONTROL);
spin_unlock_irqrestore(&sock->lock, flags);
......@@ -707,9 +708,9 @@ static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios)
writel(TIFM_MMCSD_4BBUS | readl(sock->addr + SOCK_MMCSD_CONFIG),
sock->addr + SOCK_MMCSD_CONFIG);
} else {
writel((~TIFM_MMCSD_4BBUS) &
readl(sock->addr + SOCK_MMCSD_CONFIG),
sock->addr + SOCK_MMCSD_CONFIG);
writel((~TIFM_MMCSD_4BBUS)
& readl(sock->addr + SOCK_MMCSD_CONFIG),
sock->addr + SOCK_MMCSD_CONFIG);
}
if (ios->clock) {
......@@ -728,23 +729,24 @@ static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if ((20000000 / clk_div1) > (24000000 / clk_div2)) {
host->clk_freq = 20000000;
host->clk_div = clk_div1;
writel((~TIFM_CTRL_FAST_CLK) &
readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
writel((~TIFM_CTRL_FAST_CLK)
& readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
} else {
host->clk_freq = 24000000;
host->clk_div = clk_div2;
writel(TIFM_CTRL_FAST_CLK |
readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
writel(TIFM_CTRL_FAST_CLK
| readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
}
} else {
host->clk_div = 0;
}
host->clk_div &= TIFM_MMCSD_CLKMASK;
writel(host->clk_div | ((~TIFM_MMCSD_CLKMASK) &
readl(sock->addr + SOCK_MMCSD_CONFIG)),
sock->addr + SOCK_MMCSD_CONFIG);
writel(host->clk_div
| ((~TIFM_MMCSD_CLKMASK)
& readl(sock->addr + SOCK_MMCSD_CONFIG)),
sock->addr + SOCK_MMCSD_CONFIG);
if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN)
host->flags |= OPENDRAIN;
......@@ -855,8 +857,8 @@ static int tifm_sd_probe(struct tifm_dev *sock)
struct tifm_sd *host;
int rc = -EIO;
if (!(TIFM_SOCK_STATE_OCCUPIED &
readl(sock->addr + SOCK_PRESENT_STATE))) {
if (!(TIFM_SOCK_STATE_OCCUPIED
& readl(sock->addr + SOCK_PRESENT_STATE))) {
printk(KERN_WARNING DRIVER_NAME ": card gone, unexpectedly\n");
return rc;
}
......@@ -914,7 +916,7 @@ static void tifm_sd_remove(struct tifm_dev *sock)
/* The meaning of the bit majority in this constant is unknown. */
writel(0xfff8 & readl(sock->addr + SOCK_CONTROL),
sock->addr + SOCK_CONTROL);
sock->addr + SOCK_CONTROL);
tifm_set_drvdata(sock, NULL);
mmc_free_host(mmc);
......
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