Hi,
On Wed, Jan 30 2013, Roland Stigge wrote:
> When irq_of_parse_and_map() returns an error, it does as zero. But in
> mmc_spi_get_pdata(), the error return case is compared against NO_IRQ. This
> might work where NO_IRQ is zero (defaults to zero when undefined, as on MIPS)
> but not where NO_IRQ is sth. different, e.g. on ARM, where it is -1.
>
> This patch changes to comparison with 0 which is the error return value of
> irq_of_parse_and_map().
>
> Tested on ARM that mmc_spi is working now.
>
> Signed-off-by: Roland Stigge <stigge@xxxxxxxxx>
>
> diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
> index 1534b58..d720b5e 100644
> --- a/drivers/mmc/host/of_mmc_spi.c
> +++ b/drivers/mmc/host/of_mmc_spi.c
> @@ -146,7 +146,7 @@ struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
> oms->pdata.get_ro = of_mmc_spi_get_ro;
>
> oms->detect_irq = irq_of_parse_and_map(np, 0);
> - if (oms->detect_irq != NO_IRQ) {
> + if (oms->detect_irq != 0) {
> oms->pdata.init = of_mmc_spi_init;
> oms->pdata.exit = of_mmc_spi_exit;
> } else {
Thanks, pushed to mmc-next for 3.9.
- Chris.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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