Hello Mika and all, On 27/02/2019 11:27, Mika Westerberg wrote: > On Wed, Feb 27, 2019 at 09:57:15AM +0000, Sverdlin, Alexander (Nokia - DE/Ulm) wrote: >> It was observed that reads crossing 4K address boundary are failing. [...] >> Reported-by: Romain Porte <romain.porte@xxxxxxxxx> >> Tested-by: Pascal Fabreges <pascal.fabreges@xxxxxxxxx> >> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> >> --- >> Changelog: >> v2: More macros! As Mika suggested. >> >> drivers/mtd/spi-nor/intel-spi.c | 7 +++++++ >> 1 file changed, 7 insertions(+) >> >> diff --git a/drivers/mtd/spi-nor/intel-spi.c b/drivers/mtd/spi-nor/intel-spi.c >> index af0a220..8c279c4 100644 >> --- a/drivers/mtd/spi-nor/intel-spi.c >> +++ b/drivers/mtd/spi-nor/intel-spi.c >> @@ -632,6 +632,10 @@ static ssize_t intel_spi_read(struct spi_nor *nor, loff_t from, size_t len, >> while (len > 0) { >> block_size = min_t(size_t, len, INTEL_SPI_FIFO_SZ); >> >> + /* Read cannot cross 4K boundary */ >> + blocksize = min(from + block_size, round_up(from + 1, SZ_4K)) - >> + from; > > Nit: > > It looks better if you put it into one line like: > > blocksize = min(from + block_size, round_up(from + 1, SZ_4K)) - from; > > > Regardless of that, > > Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> Please ignore v2! There was a failure in build/test process on my side. I will send v3. -- Best regards, Alexander Sverdlin.