Skip to content

K
Kernel

openeuler / Kernel
大约 1 年 前同步成功

通知 6
Star 0
Fork 0
K
Kernel

体验新版 GitCode，发现更多精彩内容 >>

提交 d15c0a4d 编写于 作者: H Harvey Harrison 提交者： Linus Torvalds
浏览文件
操作

video: use get/put_unaligned_* helpers 

Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Cc: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 a5abdeaf
隐藏空白更改
内联 并排
Showing with 17 addition and 20 deletion
drivers/video/matrox/matroxfb_misc.c
浏览文件 @ d15c0a4d
...@@ -522,8 +522,6 @@ static void parse_bios(unsigned char __iomem* vbios, struct matrox_bios* bd) { ...@@ -522,8 +522,6 @@ static void parse_bios(unsigned char __iomem* vbios, struct matrox_bios* bd) {
#endif #endif
} }
#define get_u16(x) (le16_to_cpu(get_unaligned((__u16*)(x))))
#define get_u32(x) (le32_to_cpu(get_unaligned((__u32*)(x))))
static int parse_pins1(WPMINFO const struct matrox_bios* bd) { static int parse_pins1(WPMINFO const struct matrox_bios* bd) {
unsigned int maxdac; unsigned int maxdac;
...@@ -532,11 +530,12 @@ static int parse_pins1(WPMINFO const struct matrox_bios* bd) { ...@@ -532,11 +530,12 @@ static int parse_pins1(WPMINFO const struct matrox_bios* bd) {
case 1: maxdac = 220000; break; case 1: maxdac = 220000; break;
default: maxdac = 240000; break; default: maxdac = 240000; break;
} }
if (get_u16(bd->pins + 24)) { if (get_unaligned_le16(bd->pins + 24)) {
maxdac = get_u16(bd->pins + 24) * 10; maxdac = get_unaligned_le16(bd->pins + 24) * 10;
} }
MINFO->limits.pixel.vcomax = maxdac; MINFO->limits.pixel.vcomax = maxdac;
MINFO->values.pll.system = get_u16(bd->pins + 28) ? get_u16(bd->pins + 28) * 10 : 50000; MINFO->values.pll.system = get_unaligned_le16(bd->pins + 28) ?
get_unaligned_le16(bd->pins + 28) * 10 : 50000;
/* ignore 4MB, 8MB, module clocks */ /* ignore 4MB, 8MB, module clocks */
MINFO->features.pll.ref_freq = 14318; MINFO->features.pll.ref_freq = 14318;
MINFO->values.reg.mctlwtst = 0x00030101; MINFO->values.reg.mctlwtst = 0x00030101;
...@@ -575,7 +574,8 @@ static void default_pins2(WPMINFO2) { ...@@ -575,7 +574,8 @@ static void default_pins2(WPMINFO2) {
static int parse_pins3(WPMINFO const struct matrox_bios* bd) { static int parse_pins3(WPMINFO const struct matrox_bios* bd) {
MINFO->limits.pixel.vcomax = MINFO->limits.pixel.vcomax =
MINFO->limits.system.vcomax = (bd->pins[36] == 0xFF) ? 230000 : ((bd->pins[36] + 100) * 1000); MINFO->limits.system.vcomax = (bd->pins[36] == 0xFF) ? 230000 : ((bd->pins[36] + 100) * 1000);
MINFO->values.reg.mctlwtst = get_u32(bd->pins + 48) == 0xFFFFFFFF ? 0x01250A21 : get_u32(bd->pins + 48); MINFO->values.reg.mctlwtst = get_unaligned_le32(bd->pins + 48) == 0xFFFFFFFF ?
0x01250A21 : get_unaligned_le32(bd->pins + 48);
/* memory config */ /* memory config */
MINFO->values.reg.memrdbk = ((bd->pins[57] << 21) & 0x1E000000) | MINFO->values.reg.memrdbk = ((bd->pins[57] << 21) & 0x1E000000) |
((bd->pins[57] << 22) & 0x00C00000) | ((bd->pins[57] << 22) & 0x00C00000) |
...@@ -601,7 +601,7 @@ static void default_pins3(WPMINFO2) { ...@@ -601,7 +601,7 @@ static void default_pins3(WPMINFO2) {
static int parse_pins4(WPMINFO const struct matrox_bios* bd) { static int parse_pins4(WPMINFO const struct matrox_bios* bd) {
MINFO->limits.pixel.vcomax = (bd->pins[ 39] == 0xFF) ? 230000 : bd->pins[ 39] * 4000; MINFO->limits.pixel.vcomax = (bd->pins[ 39] == 0xFF) ? 230000 : bd->pins[ 39] * 4000;
MINFO->limits.system.vcomax = (bd->pins[ 38] == 0xFF) ? MINFO->limits.pixel.vcomax : bd->pins[ 38] * 4000; MINFO->limits.system.vcomax = (bd->pins[ 38] == 0xFF) ? MINFO->limits.pixel.vcomax : bd->pins[ 38] * 4000;
MINFO->values.reg.mctlwtst = get_u32(bd->pins + 71); MINFO->values.reg.mctlwtst = get_unaligned_le32(bd->pins + 71);
MINFO->values.reg.memrdbk = ((bd->pins[87] << 21) & 0x1E000000) | MINFO->values.reg.memrdbk = ((bd->pins[87] << 21) & 0x1E000000) |
((bd->pins[87] << 22) & 0x00C00000) | ((bd->pins[87] << 22) & 0x00C00000) |
((bd->pins[86] << 1) & 0x000001E0) | ((bd->pins[86] << 1) & 0x000001E0) |
...@@ -609,7 +609,7 @@ static int parse_pins4(WPMINFO const struct matrox_bios* bd) { ...@@ -609,7 +609,7 @@ static int parse_pins4(WPMINFO const struct matrox_bios* bd) {
MINFO->values.reg.opt = ((bd->pins[53] << 15) & 0x00400000) | MINFO->values.reg.opt = ((bd->pins[53] << 15) & 0x00400000) |
((bd->pins[53] << 22) & 0x10000000) | ((bd->pins[53] << 22) & 0x10000000) |
((bd->pins[53] << 7) & 0x00001C00); ((bd->pins[53] << 7) & 0x00001C00);
MINFO->values.reg.opt3 = get_u32(bd->pins + 67); MINFO->values.reg.opt3 = get_unaligned_le32(bd->pins + 67);
MINFO->values.pll.system = (bd->pins[ 65] == 0xFF) ? 200000 : bd->pins[ 65] * 4000; MINFO->values.pll.system = (bd->pins[ 65] == 0xFF) ? 200000 : bd->pins[ 65] * 4000;
MINFO->features.pll.ref_freq = (bd->pins[ 92] & 0x01) ? 14318 : 27000; MINFO->features.pll.ref_freq = (bd->pins[ 92] & 0x01) ? 14318 : 27000;
return 0; return 0;
...@@ -640,12 +640,12 @@ static int parse_pins5(WPMINFO const struct matrox_bios* bd) { ...@@ -640,12 +640,12 @@ static int parse_pins5(WPMINFO const struct matrox_bios* bd) {
MINFO->limits.video.vcomin = (bd->pins[122] == 0xFF) ? MINFO->limits.system.vcomin : bd->pins[122] * mult; MINFO->limits.video.vcomin = (bd->pins[122] == 0xFF) ? MINFO->limits.system.vcomin : bd->pins[122] * mult;
MINFO->values.pll.system = MINFO->values.pll.system =
MINFO->values.pll.video = (bd->pins[ 92] == 0xFF) ? 284000 : bd->pins[ 92] * 4000; MINFO->values.pll.video = (bd->pins[ 92] == 0xFF) ? 284000 : bd->pins[ 92] * 4000;
MINFO->values.reg.opt = get_u32(bd->pins+ 48); MINFO->values.reg.opt = get_unaligned_le32(bd->pins + 48);
MINFO->values.reg.opt2 = get_u32(bd->pins+ 52); MINFO->values.reg.opt2 = get_unaligned_le32(bd->pins + 52);
MINFO->values.reg.opt3 = get_u32(bd->pins+ 94); MINFO->values.reg.opt3 = get_unaligned_le32(bd->pins + 94);
MINFO->values.reg.mctlwtst = get_u32(bd->pins+ 98); MINFO->values.reg.mctlwtst = get_unaligned_le32(bd->pins + 98);
MINFO->values.reg.memmisc = get_u32(bd->pins+102); MINFO->values.reg.memmisc = get_unaligned_le32(bd->pins + 102);
MINFO->values.reg.memrdbk = get_u32(bd->pins+106); MINFO->values.reg.memrdbk = get_unaligned_le32(bd->pins + 106);
MINFO->features.pll.ref_freq = (bd->pins[110] & 0x01) ? 14318 : 27000; MINFO->features.pll.ref_freq = (bd->pins[110] & 0x01) ? 14318 : 27000;
MINFO->values.memory.ddr = (bd->pins[114] & 0x60) == 0x20; MINFO->values.memory.ddr = (bd->pins[114] & 0x60) == 0x20;
MINFO->values.memory.dll = (bd->pins[115] & 0x02) != 0; MINFO->values.memory.dll = (bd->pins[115] & 0x02) != 0;
......
drivers/video/metronomefb.c
浏览文件 @ d15c0a4d
...@@ -206,8 +206,7 @@ static int load_waveform(u8 *mem, size_t size, u8 *metromem, int m, int t, ...@@ -206,8 +206,7 @@ static int load_waveform(u8 *mem, size_t size, u8 *metromem, int m, int t,
} }
/* check waveform mode table address checksum */ /* check waveform mode table address checksum */
wmta = le32_to_cpu(get_unaligned((__le32 *) wfm_hdr->wmta)); wmta = get_unaligned_le32(wfm_hdr->wmta) & 0x00FFFFFF;
wmta &= 0x00FFFFFF;
cksum_idx = wmta + m*4 + 3; cksum_idx = wmta + m*4 + 3;
if (cksum_idx > size) if (cksum_idx > size)
return -EINVAL; return -EINVAL;
...@@ -219,8 +218,7 @@ static int load_waveform(u8 *mem, size_t size, u8 *metromem, int m, int t, ...@@ -219,8 +218,7 @@ static int load_waveform(u8 *mem, size_t size, u8 *metromem, int m, int t,
} }
/* check waveform temperature table address checksum */ /* check waveform temperature table address checksum */
tta = le32_to_cpu(get_unaligned((int *) (mem + wmta + m*4))); tta = get_unaligned_le32(mem + wmta + m * 4) & 0x00FFFFFF;
tta &= 0x00FFFFFF;
cksum_idx = tta + trn*4 + 3; cksum_idx = tta + trn*4 + 3;
if (cksum_idx > size) if (cksum_idx > size)
return -EINVAL; return -EINVAL;
...@@ -233,8 +231,7 @@ static int load_waveform(u8 *mem, size_t size, u8 *metromem, int m, int t, ...@@ -233,8 +231,7 @@ static int load_waveform(u8 *mem, size_t size, u8 *metromem, int m, int t,
/* here we do the real work of putting the waveform into the /* here we do the real work of putting the waveform into the
metromem buffer. this does runlength decoding of the waveform */ metromem buffer. this does runlength decoding of the waveform */
wfm_idx = le32_to_cpu(get_unaligned((__le32 *) (mem + tta + trn*4))); wfm_idx = get_unaligned_le32(mem + tta + trn * 4) & 0x00FFFFFF;
wfm_idx &= 0x00FFFFFF;
owfm_idx = wfm_idx; owfm_idx = wfm_idx;
if (wfm_idx > size) if (wfm_idx > size)
return -EINVAL; return -EINVAL;
......
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或