spi: bcm2835: Avoid 64-bit arithmetic in xfer len calc
authorMartin Sperl <kernel@martin.sperl.org>
Tue, 23 Apr 2019 20:15:09 +0000 (20:15 +0000)
committerMark Brown <broonie@kernel.org>
Wed, 8 May 2019 08:58:28 +0000 (17:58 +0900)
commit7f1922eb3adba8c372fdf0d04fe9e6268f98291a
tree0c3b4c5c706a4dbbee3eeda293d936879c2f642b
parent9ac3f90db46b7805a37df2bc419faf369025d64a
spi: bcm2835: Avoid 64-bit arithmetic in xfer len calc

Avoid 64 bit aritmetics when deciding if we need to use polling or not
This replicates: commit d704afffe65c
("spi: bcm2835aux: Avoid 64-bit arithmetic in xfer len calc")
from spi-bcm2835aux

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Changelog:
  V1 -> V2: applied feedback by Stefan Wahren
            reorganized patchset
    added extra rational, descriptions
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-bcm2835.c