linux-kernel - [PATCH 4.14 09/95] spi: pxa2xx: Allow 64-bit DMA

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Message-Id: <20180521210449.243652283@linuxfoundation.org>
Date:   Mon, 21 May 2018 23:10:59 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH 4.14 09/95] spi: pxa2xx: Allow 64-bit DMA

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

commit efc4a13724b852ddaa3358402a8dec024ffbcb17 upstream.

Currently the 32-bit device address only is supported for DMA. However,
starting from Intel Sunrisepoint PCH the DMA address of the device FIFO
can be 64-bit.

Change the respective variable to be compatible with DMA engine
expectations, i.e. to phys_addr_t.

Fixes: 34cadd9c1bcb ("spi: pxa2xx: Add support for Intel Sunrisepoint")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Cc: stable@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/spi/spi-pxa2xx.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/spi/spi-pxa2xx.h
+++ b/drivers/spi/spi-pxa2xx.h
@@ -38,7 +38,7 @@ struct driver_data {
 
 	/* SSP register addresses */
 	void __iomem *ioaddr;
-	u32 ssdr_physical;
+	phys_addr_t ssdr_physical;
 
 	/* SSP masks*/
 	u32 dma_cr1;