diff options
| author | Tanmay Upadhyay <tanmay.upadhyay@einfochips.com> | 2011-09-14 07:59:02 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-10-26 22:32:01 +0200 |
| commit | 329f22371460587c59b866dcbffce5b498b61f38 (patch) | |
| tree | 3ec4ab2f8a770d58d08404e7336ecd9f84ab8ffa /drivers/mmc | |
| parent | mmc: core: Fix hangs related to insert/remove of cards (diff) | |
| download | linux-329f22371460587c59b866dcbffce5b498b61f38.tar.xz linux-329f22371460587c59b866dcbffce5b498b61f38.zip | |
mmc: sdhci-pxa: Check pdata before using its members
Signed-off-by: Tanmay Upadhyay <tanmay.upadhyay@einfochips.com>
Acked-by: Zhangfei Gao <zhangfei.gao@marvell.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-pxav2.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-pxav2.c b/drivers/mmc/host/sdhci-pxav2.c index 38f58994f79a..1114fe2f0a57 100644 --- a/drivers/mmc/host/sdhci-pxav2.c +++ b/drivers/mmc/host/sdhci-pxav2.c @@ -59,7 +59,7 @@ static void pxav2_set_private_registers(struct sdhci_host *host, u8 mask) * tune timing of read data/command when crc error happen * no performance impact */ - if (pdata->clk_delay_sel == 1) { + if (pdata && pdata->clk_delay_sel == 1) { tmp = readw(host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); tmp &= ~(SDCLK_DELAY_MASK << SDCLK_DELAY_SHIFT); @@ -71,7 +71,7 @@ static void pxav2_set_private_registers(struct sdhci_host *host, u8 mask) writew(tmp, host->ioaddr + SD_CLOCK_BURST_SIZE_SETUP); } - if (pdata->flags & PXA_FLAG_ENABLE_CLOCK_GATING) { + if (pdata && (pdata->flags & PXA_FLAG_ENABLE_CLOCK_GATING)) { tmp = readw(host->ioaddr + SD_FIFO_PARAM); tmp &= ~CLK_GATE_SETTING_BITS; writew(tmp, host->ioaddr + SD_FIFO_PARAM); |