We have found a couple of boards where the SDIO IRQ hardware support has failed to work properly, and thus we should make it configurable whether or not to be included in the driver. Signed-off-by: Ben Dooks <ben@xxxxxxxxxxxx> --- drivers/mmc/host/Kconfig | 7 +++++++ drivers/mmc/host/s3cmci.c | 9 +++++++-- 2 files changed, 14 insertions(+), 2 deletions(-) Index: b/drivers/mmc/host/s3cmci.c =================================================================== --- a/drivers/mmc/host/s3cmci.c 2009-09-10 12:27:38.000000000 +0100 +++ b/drivers/mmc/host/s3cmci.c 2009-09-10 15:48:15.000000000 +0100 @@ -1715,7 +1715,11 @@ static int __devinit s3cmci_probe(struct mmc->ops = &s3cmci_ops; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; +#ifdef CONFIG_MMC_S3C_HW_SDIO_IRQ mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; +#else + mmc->caps = MMC_CAP_4_BIT_DATA; +#endif mmc->f_min = host->clk_rate / (host->clk_div * 256); mmc->f_max = host->clk_rate / host->clk_div; @@ -1750,8 +1754,9 @@ static int __devinit s3cmci_probe(struct s3cmci_debugfs_attach(host); platform_set_drvdata(pdev, mmc); - dev_info(&pdev->dev, "%s - using %s\n", mmc_hostname(mmc), - s3cmci_host_usedma(host) ? "dma" : "pio"); + dev_info(&pdev->dev, "%s - using %s, %s SDIO IRQ\n", mmc_hostname(mmc), + s3cmci_host_usedma(host) ? "dma" : "pio", + mmc->caps & MMC_CAP_SDIO_IRQ ? "hw" : "sw"); return 0; Index: b/drivers/mmc/host/Kconfig =================================================================== --- a/drivers/mmc/host/Kconfig 2009-09-10 15:43:29.000000000 +0100 +++ b/drivers/mmc/host/Kconfig 2009-09-10 15:45:10.000000000 +0100 @@ -261,6 +261,13 @@ config MMC_S3C If unsure, say N. +config MMC_S3C_HW_SDIO_IRQ + bool "Hardware support for SDIO IRQ" + depends on MMC_S3C + help + Enable the hardware support for SDIO interrupts instead of using + the generic polling code. + choice prompt "Samsung S3C SD/MMC transfer code" depends on MMC_S3C -- -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
