[PATCH v3] mmc: meson-gx: set max block count
Heiner Kallweit
hkallweit1 at gmail.com
Mon Jan 30 11:33:47 PST 2017
So far max_blk_count isn't set what results in a default of value 8
to be used (PAGE_SIZE / block size).
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.
Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>
Acked-by: Kevin Hilman <khilman at baylibre.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
v3:
- extend commit message
---
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);
--
2.11.0
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