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Groups > linux.kernel > #1395516 > unrolled thread
| Started by | Brian Norris <computersforpeace@gmail.com> |
|---|---|
| First post | 2016-05-06 02:40 +0200 |
| Last post | 2016-05-06 02:40 +0200 |
| Articles | 1 — 1 participant |
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[PATCH v7 10/10] mtd: m25p80: read in spi_max_transfer_size chunks Brian Norris <computersforpeace@gmail.com> - 2016-05-06 02:40 +0200
| From | Brian Norris <computersforpeace@gmail.com> |
|---|---|
| Date | 2016-05-06 02:40 +0200 |
| Subject | [PATCH v7 10/10] mtd: m25p80: read in spi_max_transfer_size chunks |
| Message-ID | <rvBYd-2li-1@gated-at.bofh.it> |
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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