[PATCH v2] mmc: meson-gx: set max block count
From: khilman@baylibre.com (Kevin Hilman)
Date: 2017-01-30 16:58:14
Also in:
linux-amlogic
Heiner Kallweit [off-list ref] writes:
So far max_blk_count isn't set what results in a default of value 8 to be used (PAGE_SIZE / block size).
This describes the problem...
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- v2: - block length field has 9 bits, so set max_blk_count to 2^9-1 = 511 - in addition set max_req_size because max_blk_count is also limited by max_req_size / block_size
... and this part describes the fix, so should also be in the changelog. with an updated changelog, feel free to add: Acked-by: Kevin Hilman <khilman@baylibre.com> Kevin
quoted hunk
--- drivers/mmc/host/meson-gx-mmc.c | 2 ++ 1 file changed, 2 insertions(+)diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 83361f1f..d4d174ed 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c@@ -810,6 +810,8 @@ static int meson_mmc_probe(struct platform_device *pdev) goto free_host; } + mmc->max_blk_count = CMD_CFG_LENGTH_MASK; + mmc->max_req_size = mmc->max_blk_count * mmc->max_blk_size; mmc->ops = &meson_mmc_ops; mmc_add_host(mmc);