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[2/3] net: smc91x: take into account half-word workaround

Message ID 1475485553-18747-2-git-send-email-robert.jarzmik@free.fr
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Robert Jarzmik Oct. 3, 2016, 9:05 a.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>
---
 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 b1f74e06d98e..b081d5ca88ce 100644
--- a/drivers/net/ethernet/smsc/smc91x.c
+++ b/drivers/net/ethernet/smsc/smc91x.c
@@ -2323,6 +2323,8 @@  static int smc_drv_probe(struct platform_device *pdev)
 		if (!device_property_read_u32(&pdev->dev, "reg-shift",
 					      &val))
 			lp->io_shift = val;
+		lp->half_word_align4 =
+			device_property_read_bool(&pdev->dev, "reg-u16-align4");
 	}
 #endif