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author | Chunyan Zhang <zhang.chunyan@linaro.org> | 2018-10-25 04:12:36 +0200 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-12-17 08:26:24 +0100 |
commit | a68dd9a008e190420f8d44df5c1ba9650fc341f8 (patch) | |
tree | 75d1f7234269a7029ab6374b7b8f685d2d2d68c6 /drivers/mmc/host | |
parent | dt-bindings: mmc: tmio_mmc: Document Renesas R7S9210 (diff) | |
download | linux-a68dd9a008e190420f8d44df5c1ba9650fc341f8.tar.xz linux-a68dd9a008e190420f8d44df5c1ba9650fc341f8.zip |
mmc: sdhci: Convert sdhci_allocate_bounce_buffer() to return void
The function sdhci_allocate_bounce_buffer() always return zero at
present, so there's no need to have a return value, that will also make
error path easier.
CC: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r-- | drivers/mmc/host/sdhci.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 451b08a818a9..ca87424c9c8a 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3541,7 +3541,7 @@ void __sdhci_read_caps(struct sdhci_host *host, u16 *ver, u32 *caps, u32 *caps1) } EXPORT_SYMBOL_GPL(__sdhci_read_caps); -static int sdhci_allocate_bounce_buffer(struct sdhci_host *host) +static void sdhci_allocate_bounce_buffer(struct sdhci_host *host) { struct mmc_host *mmc = host->mmc; unsigned int max_blocks; @@ -3579,7 +3579,7 @@ static int sdhci_allocate_bounce_buffer(struct sdhci_host *host) * Exiting with zero here makes sure we proceed with * mmc->max_segs == 1. */ - return 0; + return; } host->bounce_addr = dma_map_single(mmc->parent, @@ -3589,7 +3589,7 @@ static int sdhci_allocate_bounce_buffer(struct sdhci_host *host) ret = dma_mapping_error(mmc->parent, host->bounce_addr); if (ret) /* Again fall back to max_segs == 1 */ - return 0; + return; host->bounce_buffer_size = bounce_size; /* Lie about this since we're bouncing */ @@ -3599,8 +3599,6 @@ static int sdhci_allocate_bounce_buffer(struct sdhci_host *host) pr_info("%s bounce up to %u segments into one, max segment size %u bytes\n", mmc_hostname(mmc), max_blocks, bounce_size); - - return 0; } static inline bool sdhci_can_64bit_dma(struct sdhci_host *host) @@ -4134,12 +4132,9 @@ int sdhci_setup_host(struct sdhci_host *host) */ mmc->max_blk_count = (host->quirks & SDHCI_QUIRK_NO_MULTIBLOCK) ? 1 : 65535; - if (mmc->max_segs == 1) { + if (mmc->max_segs == 1) /* This may alter mmc->*_blk_* parameters */ - ret = sdhci_allocate_bounce_buffer(host); - if (ret) - return ret; - } + sdhci_allocate_bounce_buffer(host); return 0; |