[PATCH v1] mfd: intel-lpss: Program REMAP register in PIO mode

From: Andy Shevchenko
Date: Tue Apr 24 2018 - 11:00:20 EST


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.

Fixes: 4b45efe85263 ("mfd: Add support for Intel Sunrisepoint LPSS devices")
Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/mfd/intel-lpss.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index 9e545eb6e8b4..4bcf117a7ba8 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -275,11 +275,11 @@ 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);
--
2.17.0