Messages in this thread Patch in this message | | | From | Brian Norris <> | Subject | [PATCH v7 10/10] mtd: m25p80: read in spi_max_transfer_size chunks | Date | Thu, 5 May 2016 17:31:56 -0700 |
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From: Michal Suchanek <hramrach@gmail.com>
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> --- v6 -> v7: * use min() instead of min_t()
drivers/mtd/devices/m25p80.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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); -- 2.8.0.rc3.226.g39d4020
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