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mtd: m25p80: read in spi_max_transfer_size chunks

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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>
This commit is contained in:
Michal Suchanek 2016-05-05 17:31:56 -07:00 committed by Brian Norris
parent 26f9bcad29
commit 9519379625
1 changed files with 1 additions and 1 deletions
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drivers/mtd/devices/m25p80.c
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@ -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);