| Message ID | 90d34a64-bd3e-dcf2-4c36-5ef4e2ac8666@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Heiner Kallweit <hkallweit1@gmail.com> writes: > A bounce buffer of 512K isn't needed as the max request size is > 511 * 512 byte. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Tested-by: Kevin Hilman <khilman@baylibre.com> > --- > v2: > - no changes > --- > drivers/mmc/host/meson-gx-mmc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c > index 883263c5..48ce4ba4 100644 > --- a/drivers/mmc/host/meson-gx-mmc.c > +++ b/drivers/mmc/host/meson-gx-mmc.c > @@ -785,7 +785,7 @@ static int meson_mmc_probe(struct platform_device *pdev) > mmc->max_req_size = mmc->max_blk_count * mmc->max_blk_size; > > /* data bounce buffer */ > - host->bounce_buf_size = SZ_512K; > + host->bounce_buf_size = mmc->max_req_size; > host->bounce_buf = > dma_alloc_coherent(host->dev, host->bounce_buf_size, > &host->bounce_dma_addr, GFP_KERNEL); -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 883263c5..48ce4ba4 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -785,7 +785,7 @@ static int meson_mmc_probe(struct platform_device *pdev) mmc->max_req_size = mmc->max_blk_count * mmc->max_blk_size; /* data bounce buffer */ - host->bounce_buf_size = SZ_512K; + host->bounce_buf_size = mmc->max_req_size; host->bounce_buf = dma_alloc_coherent(host->dev, host->bounce_buf_size, &host->bounce_dma_addr, GFP_KERNEL);
A bounce buffer of 512K isn't needed as the max request size is 511 * 512 byte. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- v2: - no changes --- drivers/mmc/host/meson-gx-mmc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)