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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2018-04-24 18:00:10 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-03 11:21:32 +0200
commit473e9c0bad5f5a5de893832a937a1371c600dbe5 (patch)
tree72eb4436f403e7cf8cc2cd983229f1709674eb20
parent4544b1843bcaf8ffa9bd4cbd0e05a558d123c98e (diff)
mfd: intel-lpss: Program REMAP register in PIO mode
commit d28b62520830b2d0bffa2d98e81afc9f5e537e8b upstream. According to documentation REMAP register has to be programmed in either DMA or PIO mode of the slice. Move the DMA capability check below to let REMAP register be programmed in PIO mode. Cc: stable@vger.kernel.org # 4.3+ Fixes: 4b45efe85263 ("mfd: Add support for Intel Sunrisepoint LPSS devices") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/mfd/intel-lpss.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index fe89e5e337d5..ac867489b5a9 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -269,11 +269,11 @@ static void intel_lpss_init_dev(const struct intel_lpss *lpss)
intel_lpss_deassert_reset(lpss);
+ intel_lpss_set_remap_addr(lpss);
+
if (!intel_lpss_has_idma(lpss))
return;
- intel_lpss_set_remap_addr(lpss);
-
/* Make sure that SPI multiblock DMA transfers are re-enabled */
if (lpss->type == LPSS_DEV_SPI)
writel(value, lpss->priv + LPSS_PRIV_SSP_REG);