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spi/qspi: Fix runtime resume path 

Due to the following commit
commit 160a061301
Author: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date:   Mon Nov 11 14:13:41 2013 +0800

    spi/qspi: set correct platform drvdata in ti_qspi_probe()

    The ti_qspi_remove() use the platform drvdata as a type of
    struct ti_qspi, we should pass correct platform drvdata to
    platform_set_drvdata() in ti_qspi_probe().

    Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
    Signed-off-by: Mark Brown <broonie@linaro.org>

platform_set_drvdata was changed in  the probe, so we need to
correspondingly change deferencing of qspi in runtime resume
path. Else, this will lead to a NULL dereference pointer.

Based on v3.13-rc3

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Sourav Poddar 2013-12-20 18:22:57 +05:30 committed by Mark Brown
parent 374b105797
commit f17414c4fc
1 changed files with 1 additions and 3 deletions
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4
drivers/spi/spi-ti-qspi.c
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@ -417,10 +417,8 @@ static irqreturn_t ti_qspi_isr(int irq, void *dev_id)
static int ti_qspi_runtime_resume(struct device *dev)
{
struct ti_qspi *qspi;
struct spi_master *master;
master = dev_get_drvdata(dev);
qspi = spi_master_get_devdata(master);
qspi = dev_get_drvdata(dev);
ti_qspi_restore_ctx(qspi);
return 0;