Re: [PATCH] mmc: moxart: fix wait_for_completion_interruptible_timeout return variable type
From: Nicholas Mc Guire <hidden>
Date: 2016-07-25 13:21:17
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On Mon, Jul 25, 2016 at 10:29:46AM +0200, Ulf Hansson wrote:
On 24 July 2016 at 18:32, Nicholas Mc Guire [off-list ref] wrote:quoted
wait_for_completion_timeout_interruptible returns long not unsigned long so dma_time, which is used exclusively here, is changed to long. Fixes: 1b66e94e6b99 ("mmc: moxart: Add MOXA ART SD/MMC driver") Signed-off-by: Nicholas Mc Guire <redacted> --- API non-compliance was located by coccinelle This is mostly cosmetic since dma_time is not actually used for anything at present, however if it ever were, then a signal received would be interpreted as a large remaining jiffies left, which would be wrong. Compile tested with: moxart_defconfig + ARCH_MULTI_V4=y, CONFIG_ARCH_MOXART=y, CONFIG_MMC_MOXART=y Patch is against 4.7.0-rc7 (localversion-next -next-20160724) drivers/mmc/host/moxart-mmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index 79905ce..2e5c25f 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c@@ -257,7 +257,7 @@ static void moxart_dma_complete(void *param) static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host) { u32 len, dir_data, dir_slave; - unsigned long dma_time; + long dma_time; struct dma_async_tx_descriptor *desc = NULL; struct dma_chan *dma_chan;@@ -397,7 +397,7 @@ static void moxart_prepare_data(struct moxart_host *host) static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq) { struct moxart_host *host = mmc_priv(mmc); - unsigned long pio_time, flags; + long pio_time, flags;This changes "flags" too. I don't think that is what you really want, right!?
oops - sorry - my bad - looks like I first added the problem and then "found it" - will fix this up. thx! hofrat