From: Logan Gunthorpe <logang@deltatee.com>
To: Christoph Hellwig <hch@lst.de>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Sagi Grimberg <sagi@grimberg.me>, Jens Axboe <axboe@kernel.dk>,
        Tejun Heo <tj@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Dan Williams <dan.j.williams@intel.com>,
        Ross Zwisler <ross.zwisler@linux.intel.com>,
        Matthew Wilcox <mawilcox@microsoft.com>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Ming Lin <ming.l@ssi.samsung.com>, linux-kernel@vger.kernel.org,
        linux-crypto@vger.kernel.org, linux-media@vger.kernel.org,
        dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org,
        intel-gfx@lists.freedesktop.org, linux-raid@vger.kernel.org,
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        netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
        rds-devel@oss.oracle.com
Cc: Steve Wise <swise@opengridcomputing.com>,
        Stephen Bates <sbates@raithlin.com>,
        Logan Gunthorpe <logang@deltatee.com>
Date: Thu, 13 Apr 2017 16:05:33 -0600
Message-Id: <1492121135-4437-21-git-send-email-logang@deltatee.com>
In-Reply-To: <1492121135-4437-1-git-send-email-logang@deltatee.com>
References: <1492121135-4437-1-git-send-email-logang@deltatee.com>
Subject: [PATCH 20/22] mmc: sdricoh_cs: Make use of the new sg_map helper function
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1181
Lines: 39

This is a straightforward conversion to the new function.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
---
 drivers/mmc/host/sdricoh_cs.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
index 5ff26ab..7eeed23 100644
--- a/drivers/mmc/host/sdricoh_cs.c
+++ b/drivers/mmc/host/sdricoh_cs.c
@@ -319,16 +319,20 @@ static void sdricoh_request(struct mmc_host *mmc, struct mmc_request *mrq)
 		for (i = 0; i < data->blocks; i++) {
 			size_t len = data->blksz;
 			u8 *buf;
-			struct page *page;
 			int result;
-			page = sg_page(data->sg);
 
-			buf = kmap(page) + data->sg->offset + (len * i);
+			buf = sg_map_offset(data->sg, (len * i), SG_KMAP);
+			if (IS_ERR(buf)) {
+				cmd->error = PTR_ERR(buf);
+				break;
+			}
+
 			result =
 				sdricoh_blockio(host,
 					data->flags & MMC_DATA_READ, buf, len);
-			kunmap(page);
-			flush_dcache_page(page);
+			sg_unmap_offset(data->sg, buf, (len * i), SG_KMAP);
+
+			flush_dcache_page(sg_page(data->sg));
 			if (result) {
 				dev_err(dev, "sdricoh_request: cmd %i "
 					"block transfer failed\n", cmd->opcode);
-- 
2.1.4