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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-22 11:02:18 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-24 17:18:41 +0200
commit646db260b843d2f758559a5483174354c304acf8 (patch)
tree73cf06896311567e8fcb75730d4461fd689a3d3f /drivers/spi/spi-omap2-mcspi.c
parenta645654b817feba05e5156345325d19fc85ebc9f (diff)
parent1f93e4a96c9109378204c147b3eec0d0e8100fde (diff)
Merge tag 'v4.3-rc2' into topic/drm-misc
Backmerge Linux 4.3-rc2 because of conflicts in the dp helper code between bugfixes and new code. Just adjacent lines really. On top of that there's a silent conflict in the new fsl-dcu driver merged into 4.3 and commit 844f9111f6f54f88eb2f0fac121b82ce77193866 Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Date: Wed Sep 2 10:42:40 2015 +0200 drm/atomic: Make prepare_fb/cleanup_fb only take state, v3. which Thierry Reding spotted and provided a fixup for. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/spi/spi-omap2-mcspi.c')
-rw-r--r--drivers/spi/spi-omap2-mcspi.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 58673841286c..3d09e0b69b73 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -245,6 +245,7 @@ static void omap2_mcspi_set_enable(const struct spi_device *spi, int enable)
static void omap2_mcspi_set_cs(struct spi_device *spi, bool enable)
{
+ struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master);
u32 l;
/* The controller handles the inverted chip selects
@@ -255,6 +256,12 @@ static void omap2_mcspi_set_cs(struct spi_device *spi, bool enable)
enable = !enable;
if (spi->controller_state) {
+ int err = pm_runtime_get_sync(mcspi->dev);
+ if (err < 0) {
+ dev_err(mcspi->dev, "failed to get sync: %d\n", err);
+ return;
+ }
+
l = mcspi_cached_chconf0(spi);
if (enable)
@@ -263,6 +270,9 @@ static void omap2_mcspi_set_cs(struct spi_device *spi, bool enable)
l |= OMAP2_MCSPI_CHCONF_FORCE;
mcspi_write_chconf0(spi, l);
+
+ pm_runtime_mark_last_busy(mcspi->dev);
+ pm_runtime_put_autosuspend(mcspi->dev);
}
}