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authorPaul Mundt <lethal@linux-sh.org>2010-04-26 11:08:27 +0400
committerPaul Mundt <lethal@linux-sh.org>2010-04-26 11:08:27 +0400
commite19553427c2e8fdb04fdd98e407164bb59a840ba (patch)
tree5332234b2dad07c03c27e4608afb16f297f41e61 /drivers/gpu/drm/radeon/radeon_atombios.c
parent35f6cd4a06432034665a1499ca4b022437423aac (diff)
parent83515bc7df812555e20cda48614674e2f346f9f5 (diff)
downloadlinux-e19553427c2e8fdb04fdd98e407164bb59a840ba.tar.xz
Merge branch 'sh/stable-updates'
Conflicts: arch/sh/kernel/dwarf.c drivers/dma/shdma.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 1fff95505cf5..5673665ff216 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -69,16 +69,19 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_dev
struct radeon_i2c_bus_rec i2c;
int index = GetIndexIntoMasterTable(DATA, GPIO_I2C_Info);
struct _ATOM_GPIO_I2C_INFO *i2c_info;
- uint16_t data_offset;
- int i;
+ uint16_t data_offset, size;
+ int i, num_indices;
memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
i2c.valid = false;
- if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
+ if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
- for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
+ num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
+ sizeof(ATOM_GPIO_I2C_ASSIGMENT);
+
+ for (i = 0; i < num_indices; i++) {
gpio = &i2c_info->asGPIO_Info[i];
if (gpio->sucI2cId.ucAccess == id) {