Sometimes we see failures with cards where the status is eg, 0x310. This corresponds to a "no data" timeout and an assertion that the data is present. This patch makes the data present status have priority over the timeout status.
Signed-off-by: Andy Green <[email protected]> --- drivers/mfd/glamo/glamo-mci.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/glamo/glamo-mci.c b/drivers/mfd/glamo/glamo-mci.c index 3e3ffea..778e47c 100644 --- a/drivers/mfd/glamo/glamo-mci.c +++ b/drivers/mfd/glamo/glamo-mci.c @@ -361,6 +361,10 @@ static void glamo_mci_irq(unsigned int irq, struct irq_desc *desc) writew(GLAMO_IRQ_MMC, glamo_mci_def_pdata.pglamo->base + GLAMO_REG_IRQ_CLEAR); + /* we ignore a data timeout report if we are also told the data came */ + if (status & GLAMO_STAT1_MMC_RB_DRDY) + status &= ~GLAMO_STAT1_MMC_DTOUT; + if (status & (GLAMO_STAT1_MMC_RTOUT | GLAMO_STAT1_MMC_DTOUT)) cmd->error = -ETIMEDOUT;
