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| author | Michal Suchanek <hramrach@gmail.com> | 2016-05-06 02:31:56 +0200 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2016-06-02 02:23:06 +0200 |
| commit | 95193796256cfce16e5d881318e15b6b04062c15 (patch) | |
| tree | a9b87f3d12a58b40e56d148eddf71eecaf70c422 /drivers/mtd/devices | |
| parent | mtd: spi-nor: add read loop (diff) | |
| download | linux-95193796256cfce16e5d881318e15b6b04062c15.tar.xz linux-95193796256cfce16e5d881318e15b6b04062c15.zip | |
mtd: m25p80: read in spi_max_transfer_size chunks
Take into account transfer size limitation of SPI master.
Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Michal Suchanek <hramrach@gmail.com>
Tested-by: Michal Suchanek <hramrach@gmail.com>
Diffstat (limited to 'drivers/mtd/devices')
| -rw-r--r-- | drivers/mtd/devices/m25p80.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index eab46d211ae6..9cf7fcd28034 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -172,7 +172,7 @@ static ssize_t m25p80_read(struct spi_nor *nor, loff_t from, size_t len, t[1].rx_buf = buf; t[1].rx_nbits = m25p80_rx_nbits(nor); - t[1].len = len; + t[1].len = min(len, spi_max_transfer_size(spi)); spi_message_add_tail(&t[1], &m); ret = spi_sync(spi, &m); |