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mfd: intel-lpss: Program REMAP register in PIO mode

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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: 4b45efe852 ("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>
This commit is contained in:
Andy Shevchenko 2018-04-24 18:00:10 +03:00 • committed by Lee Jones
parent 704800dd3f
commit d28b625208
1 changed files with 2 additions and 2 deletions
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4
drivers/mfd/intel-lpss.c
View file

@ -275,11 +275,11 @@ static void intel_lpss_init_dev(const struct intel_lpss *lpss)
intel_lpss_deassert_reset(lpss); intel_lpss_deassert_reset(lpss);
intel_lpss_set_remap_addr(lpss);
if (!intel_lpss_has_idma(lpss)) if (!intel_lpss_has_idma(lpss))
return; return;
intel_lpss_set_remap_addr(lpss);
/* Make sure that SPI multiblock DMA transfers are re-enabled */ /* Make sure that SPI multiblock DMA transfers are re-enabled */
if (lpss->type == LPSS_DEV_SPI) if (lpss->type == LPSS_DEV_SPI)
writel(value, lpss->priv + LPSS_PRIV_SSP_REG); writel(value, lpss->priv + LPSS_PRIV_SSP_REG);