Commit d28b6252 authored Apr 24, 2018 by Andy Shevchenko Committed by Lee Jones May 29, 2018

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



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: 4b45efe8 ("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>

parent 704800dd

drivers/mfd/intel-lpss.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);

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