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[v3,3/4] net: smc91x: take into account half-word workaround

Message ID 1476733532-29716-4-git-send-email-robert.jarzmik@free.fr (mailing list archive)
State New, archived
Headers show

Commit Message

Robert Jarzmik Oct. 17, 2016, 7:45 p.m. UTC
For device-tree builds, platforms such as mainstone, idp and stargate2
must have their u16 writes all aligned on 32 bit boundaries. This is
already enabled in platform data builds, and this patch adds it to
device-tree builds.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
Since v1: rename dt property to pxa-u16-align4
---
 drivers/net/ethernet/smsc/smc91x.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c
index 705d99b2d947..65077c77082a 100644
--- a/drivers/net/ethernet/smsc/smc91x.c
+++ b/drivers/net/ethernet/smsc/smc91x.c
@@ -2326,6 +2326,8 @@  static int smc_drv_probe(struct platform_device *pdev)
 		if (!device_property_read_u32(&pdev->dev, "reg-shift",
 					      &val))
 			lp->io_shift = val;
+		lp->cfg.pxa_u16_align4 =
+			device_property_read_bool(&pdev->dev, "pxa-u16-align4");
 	}
 #endif