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Commit d28b6252 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Lee Jones
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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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarLee 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);