This is a note to let you know that I've just added the patch titled

    usb/phy: fix PPC64 build errors in phy-fsl-usb.c

to the 4.9-stable tree which can be found at:
    
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     usb-phy-fix-ppc64-build-errors-in-phy-fsl-usb.c.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <sta...@vger.kernel.org> know about it.


>From foo@baz Sun Aug 26 09:16:12 CEST 2018
From: Randy Dunlap <rdun...@infradead.org>
Date: Sun, 15 Jul 2018 10:37:37 -0700
Subject: usb/phy: fix PPC64 build errors in phy-fsl-usb.c

From: Randy Dunlap <rdun...@infradead.org>

[ Upstream commit a39ba90a1cc7010edb0a7132e1b67f3d80b994e9 ]

Fix build errors when built for PPC64:
These variables are only used on PPC32 so they don't need to be
initialized for PPC64.

../drivers/usb/phy/phy-fsl-usb.c: In function 'usb_otg_start':
../drivers/usb/phy/phy-fsl-usb.c:865:3: error: '_fsl_readl' undeclared (first 
use in this function); did you mean 'fsl_readl'?
   _fsl_readl = _fsl_readl_be;
../drivers/usb/phy/phy-fsl-usb.c:865:16: error: '_fsl_readl_be' undeclared 
(first use in this function); did you mean 'fsl_readl'?
   _fsl_readl = _fsl_readl_be;
../drivers/usb/phy/phy-fsl-usb.c:866:3: error: '_fsl_writel' undeclared (first 
use in this function); did you mean 'fsl_writel'?
   _fsl_writel = _fsl_writel_be;
../drivers/usb/phy/phy-fsl-usb.c:866:17: error: '_fsl_writel_be' undeclared 
(first use in this function); did you mean 'fsl_writel'?
   _fsl_writel = _fsl_writel_be;
../drivers/usb/phy/phy-fsl-usb.c:868:16: error: '_fsl_readl_le' undeclared 
(first use in this function); did you mean 'fsl_readl'?
   _fsl_readl = _fsl_readl_le;
../drivers/usb/phy/phy-fsl-usb.c:869:17: error: '_fsl_writel_le' undeclared 
(first use in this function); did you mean 'fsl_writel'?
   _fsl_writel = _fsl_writel_le;

and the sysfs "show" function return type should be ssize_t, not int:

../drivers/usb/phy/phy-fsl-usb.c:1042:49: error: initialization of 'ssize_t 
(*)(struct device *, struct device_attribute *, char *)' {aka 'long int 
(*)(struct device *, struct device_attribute *, char *)'} from incompatible 
pointer type 'int (*)(struct device *, struct device_attribute *, char *)' 
[-Werror=incompatible-pointer-types]
 static DEVICE_ATTR(fsl_usb2_otg_state, S_IRUGO, show_fsl_usb2_otg_state, NULL);

Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Cc: Felipe Balbi <ba...@kernel.org>
Cc: linux-...@vger.kernel.org
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Felipe Balbi <felipe.ba...@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/usb/phy/phy-fsl-usb.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/usb/phy/phy-fsl-usb.c
+++ b/drivers/usb/phy/phy-fsl-usb.c
@@ -879,6 +879,7 @@ int usb_otg_start(struct platform_device
        if (pdata->init && pdata->init(pdev) != 0)
                return -EINVAL;
 
+#ifdef CONFIG_PPC32
        if (pdata->big_endian_mmio) {
                _fsl_readl = _fsl_readl_be;
                _fsl_writel = _fsl_writel_be;
@@ -886,6 +887,7 @@ int usb_otg_start(struct platform_device
                _fsl_readl = _fsl_readl_le;
                _fsl_writel = _fsl_writel_le;
        }
+#endif
 
        /* request irq */
        p_otg->irq = platform_get_irq(pdev, 0);
@@ -976,7 +978,7 @@ int usb_otg_start(struct platform_device
 /*
  * state file in sysfs
  */
-static int show_fsl_usb2_otg_state(struct device *dev,
+static ssize_t show_fsl_usb2_otg_state(struct device *dev,
                                   struct device_attribute *attr, char *buf)
 {
        struct otg_fsm *fsm = &fsl_otg_dev->fsm;


Patches currently in stable-queue which might be from rdun...@infradead.org are

queue-4.9/usb-phy-fix-ppc64-build-errors-in-phy-fsl-usb.c.patch
queue-4.9/net-prevent-isa-drivers-from-building-on-ppc32.patch
queue-4.9/arc-fix-build-errors-in-arc-include-asm-delay.h.patch
queue-4.9/arc-fix-data-type-errors-in-platform-headers.patch
queue-4.9/media-staging-omap4iss-include-asm-cacheflush.h-after-generic-includes.patch
queue-4.9/arc-fix-type-warnings-in-arc-mm-cache.c.patch

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