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authorIngo Molnar2015-09-30 09:29:27 +0200
committerIngo Molnar2015-09-30 09:29:27 +0200
commitccf79c238f1a06a801b4c4449b9bc8a42be2c7bc (patch)
treee9b0f1a4c2f324c6fb107e276b09894ae480baa6 /drivers/staging/fbtft/flexfb.c
parentx86/hyperv: Fix the build in the !CONFIG_KEXEC_CORE case (diff)
parentLinux 4.3-rc3 (diff)
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Merge tag 'v4.3-rc3' into x86/urgent, before applying dependent fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/staging/fbtft/flexfb.c')
-rw-r--r--drivers/staging/fbtft/flexfb.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/staging/fbtft/flexfb.c b/drivers/staging/fbtft/flexfb.c
index c763efc5de7d..3f380a0086c3 100644
--- a/drivers/staging/fbtft/flexfb.c
+++ b/drivers/staging/fbtft/flexfb.c
@@ -463,15 +463,12 @@ static int flexfb_probe_common(struct spi_device *sdev,
}
par->fbtftops.write_register = fbtft_write_reg8_bus9;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus9;
- sdev->bits_per_word = 9;
- ret = sdev->master->setup(sdev);
- if (ret) {
+ if (par->spi->master->bits_per_word_mask
+ & SPI_BPW_MASK(9)) {
+ par->spi->bits_per_word = 9;
+ } else {
dev_warn(dev,
"9-bit SPI not available, emulating using 8-bit.\n");
- sdev->bits_per_word = 8;
- ret = sdev->master->setup(sdev);
- if (ret)
- goto out_release;
/* allocate buffer with room for dc bits */
par->extra = devm_kzalloc(par->info->device,
par->txbuf.len + (par->txbuf.len / 8) + 8,