linux-kernel - [PATCH v2 2/6] staging: fbtft: do not override DMA coherent mask

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Message-Id: <20170102113534.127692-3-andriy.shevchenko@linux.intel.com>
Date:   Mon,  2 Jan 2017 13:35:30 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Noralf Trønnes <noralf@...nnes.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v2 2/6] staging: fbtft: do not override DMA coherent mask

Usually it's not consumer's business to override resources passed from
provider, in particularly DMA coherent mask.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/staging/fbtft/fbtft-core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index e8bf0d1ec11f..226be8c09768 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -841,7 +841,6 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
 	if (txbuflen > 0) {
 #ifdef CONFIG_HAS_DMA
 		if (dma) {
-			dev->coherent_dma_mask = ~0;
 			txbuf = dmam_alloc_coherent(dev, txbuflen,
 						    &par->txbuf.dma, GFP_DMA);
 		} else
-- 
2.11.0