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| author |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-06-02 09:54:12 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-06-02 09:54:12 +0200 |
| commit | 5599617ec0719dba3b1f85a4abca2a6c93368ae3 (patch) | |
| tree | 7d2f9bb6a538ee8ed5cfa391f2cfa72a3e2daa9f /drivers/spi/spi-fsl-dspi.c | |
| parent | drm/i915/skl+: Use scaling amount for plane data rate calculation (v4) (diff) | |
| parent | Merge branch 'drm-intel-next' of git://anongit.freedesktop.org/drm-intel into drm-next (diff) | |
| download | linux-rng-5599617ec0719dba3b1f85a4abca2a6c93368ae3.tar.xz linux-rng-5599617ec0719dba3b1f85a4abca2a6c93368ae3.zip | |
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Git got absolutely destroyed with all our cherry-picking from
drm-intel-next-queued to various branches. It ended up inserting
intel_crtc_page_flip 2x even in intel_display.c.
Backmerge to get back to sanity.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 39412c9097c6..9e9dadb52b3d 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -121,18 +121,22 @@ enum dspi_trans_mode { struct fsl_dspi_devtype_data { enum dspi_trans_mode trans_mode; + u8 max_clock_factor; }; static const struct fsl_dspi_devtype_data vf610_data = { .trans_mode = DSPI_EOQ_MODE, + .max_clock_factor = 2, }; static const struct fsl_dspi_devtype_data ls1021a_v1_data = { .trans_mode = DSPI_TCFQ_MODE, + .max_clock_factor = 8, }; static const struct fsl_dspi_devtype_data ls2085a_data = { .trans_mode = DSPI_TCFQ_MODE, + .max_clock_factor = 8, }; struct fsl_dspi { @@ -385,8 +389,8 @@ static int dspi_transfer_one_message(struct spi_master *master, dspi->cur_chip = spi_get_ctldata(spi); dspi->cs = spi->chip_select; dspi->cs_change = 0; - if (dspi->cur_transfer->transfer_list.next - == &dspi->cur_msg->transfers) + if (list_is_last(&dspi->cur_transfer->transfer_list, + &dspi->cur_msg->transfers) || transfer->cs_change) dspi->cs_change = 1; dspi->void_write_data = dspi->cur_chip->void_write_data; @@ -726,6 +730,9 @@ static int dspi_probe(struct platform_device *pdev) } clk_prepare_enable(dspi->clk); + master->max_speed_hz = + clk_get_rate(dspi->clk) / dspi->devtype_data->max_clock_factor; + init_waitqueue_head(&dspi->waitq); platform_set_drvdata(pdev, master); |