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[3.19.y-ckt,stable] Patch "i2c: cpm: Fix build break due to incompatible pointer types" has been added to the 3.19.y-ckt tree

Message ID 1462838578-29301-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa May 10, 2016, 12:02 a.m. UTC
This is a note to let you know that I have just added a patch titled

    i2c: cpm: Fix build break due to incompatible pointer types

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    https://git.launchpad.net/~canonical-kernel/linux/+git/linux-stable-ckt/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt21.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

---8<------------------------------------------------------------

From ae6fb4ae90611f713cf040bca969ee535741bb98 Mon Sep 17 00:00:00 2001
From: Michael Ellerman <mpe@ellerman.id.au>
Date: Wed, 13 Apr 2016 13:59:14 +1000
Subject: i2c: cpm: Fix build break due to incompatible pointer types

commit 609d5a1b2b35bb62b4b3750396e55453160c2a17 upstream.

Since commit ea8daa7b9784 ("kbuild: Add option to turn incompatible
pointer check into error"), assignments from an incompatible pointer
types have become a hard error, eg:

  drivers/i2c/busses/i2c-cpm.c:545:91: error: passing argument 3 of
  'dma_alloc_coherent' from incompatible pointer type

Fix the build break by converting txdma & rxdma to dma_addr_t.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: ea8daa7b9784
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/i2c/busses/i2c-cpm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--
2.7.4
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Patch

diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 2d46653..ecf0ee4 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -116,8 +116,8 @@  struct cpm_i2c {
 	cbd_t __iomem *rbase;
 	u_char *txbuf[CPM_MAXBD];
 	u_char *rxbuf[CPM_MAXBD];
-	u32 txdma[CPM_MAXBD];
-	u32 rxdma[CPM_MAXBD];
+	dma_addr_t txdma[CPM_MAXBD];
+	dma_addr_t rxdma[CPM_MAXBD];
 };

 static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id)