[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Felipe Balbi]

Fix the following build break:

drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
 int board_usb_init(int index, enum usb_init_type init)
      ^

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/host/xhci-omap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c
index 104e7a7282cf..fd19f79f0fc5 100644
--- a/drivers/usb/host/xhci-omap.c
+++ b/drivers/usb/host/xhci-omap.c
@@ -27,7 +27,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 static struct omap_xhci omap;
 
-inline int __board_usb_init(int index, enum usb_init_type init)
+__weak int __board_usb_init(int index, enum usb_init_type init)
 {
 	return 0;
 }
-- 
2.5.3

[U-Boot] [PATCH 2/2] usb: dwc3: fix build warnings

[Felipe Balbi]

fix the following build warnings:

drivers/usb/dwc3/core.c: In function ?dwc3_uboot_init?:
drivers/usb/dwc3/core.c:625:6: warning: ?dev? is used uninitialized in this function [-Wuninitialized]
mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL);
        ^
drivers/usb/dwc3/dwc3-omap.c: In function ?dwc3_omap_uboot_init?:
drivers/usb/dwc3/dwc3-omap.c:380:7: warning: ?dev? is used uninitialized in this function [-Wuninitialized]
omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/usb/dwc3/core.c      | 2 +-
 drivers/usb/dwc3/dwc3-omap.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index ab3c94e51275..a95d461a7cc4 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -613,7 +613,7 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc)
 int dwc3_uboot_init(struct dwc3_device *dwc3_dev)
 {
 	struct dwc3		*dwc;
-	struct device		*dev;
+	struct device		*dev = NULL;
 	u8			lpm_nyet_threshold;
 	u8			tx_de_emphasis;
 	u8			hird_threshold;
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index ac9a856190f0..3dcc2f484777 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -374,7 +374,7 @@ static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap, int utmi_mode)
 int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev)
 {
 	u32			reg;
-	struct device		*dev;
+	struct device		*dev = NULL;
 	struct dwc3_omap	*omap;
 
 	omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
-- 
2.5.3

[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Felipe Balbi]

Felipe Balbi <balbi@ti.com> writes:
> Fix the following build break:
>
> drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
>  int board_usb_init(int index, enum usb_init_type init)
>       ^
>
> Signed-off-by: Felipe Balbi <balbi@ti.com>

ping

> ---
>  drivers/usb/host/xhci-omap.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c
> index 104e7a7282cf..fd19f79f0fc5 100644
> --- a/drivers/usb/host/xhci-omap.c
> +++ b/drivers/usb/host/xhci-omap.c
> @@ -27,7 +27,7 @@ DECLARE_GLOBAL_DATA_PTR;
>  
>  static struct omap_xhci omap;
>  
> -inline int __board_usb_init(int index, enum usb_init_type init)
> +__weak int __board_usb_init(int index, enum usb_init_type init)
>  {
>  	return 0;
>  }
> -- 
> 2.5.3
>

-- 
balbi
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[U-Boot] [PATCH 2/2] usb: dwc3: fix build warnings

[Felipe Balbi]

Felipe Balbi <balbi@ti.com> writes:

> fix the following build warnings:
>
> drivers/usb/dwc3/core.c: In function ?dwc3_uboot_init?:
> drivers/usb/dwc3/core.c:625:6: warning: ?dev? is used uninitialized in this function [-Wuninitialized]
> mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL);
>         ^
> drivers/usb/dwc3/dwc3-omap.c: In function ?dwc3_omap_uboot_init?:
> drivers/usb/dwc3/dwc3-omap.c:380:7: warning: ?dev? is used uninitialized in this function [-Wuninitialized]
> omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
>
> Signed-off-by: Felipe Balbi <balbi@ti.com>

ping

> ---
>  drivers/usb/dwc3/core.c      | 2 +-
>  drivers/usb/dwc3/dwc3-omap.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index ab3c94e51275..a95d461a7cc4 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -613,7 +613,7 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc)
>  int dwc3_uboot_init(struct dwc3_device *dwc3_dev)
>  {
>  	struct dwc3		*dwc;
> -	struct device		*dev;
> +	struct device		*dev = NULL;
>  	u8			lpm_nyet_threshold;
>  	u8			tx_de_emphasis;
>  	u8			hird_threshold;
> diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
> index ac9a856190f0..3dcc2f484777 100644
> --- a/drivers/usb/dwc3/dwc3-omap.c
> +++ b/drivers/usb/dwc3/dwc3-omap.c
> @@ -374,7 +374,7 @@ static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap, int utmi_mode)
>  int dwc3_omap_uboot_init(struct dwc3_omap_device *omap_dev)
>  {
>  	u32			reg;
> -	struct device		*dev;
> +	struct device		*dev = NULL;
>  	struct dwc3_omap	*omap;
>  
>  	omap = devm_kzalloc(dev, sizeof(*omap), GFP_KERNEL);
> -- 
> 2.5.3
>

-- 
balbi
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[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Tom Rini]

On Fri, Oct 16, 2015 at 03:09:02PM -0500, Felipe Balbi wrote:
> Felipe Balbi <balbi@ti.com> writes:
> > Fix the following build break:
> >
> > drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
> >  int board_usb_init(int index, enum usb_init_type init)
> >       ^
> >
> > Signed-off-by: Felipe Balbi <balbi@ti.com>
> 
> ping

Where / how do I trigger this (or 2/2) ?

-- 
Tom
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[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Felipe Balbi]

Tom Rini <trini@konsulko.com> writes:

> On Fri, Oct 16, 2015 at 03:09:02PM -0500, Felipe Balbi wrote:
>> Felipe Balbi <balbi@ti.com> writes:
>> > Fix the following build break:
>> >
>> > drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
>> >  int board_usb_init(int index, enum usb_init_type init)
>> >       ^
>> >
>> > Signed-off-by: Felipe Balbi <balbi@ti.com>
>> 
>> ping
>
> Where / how do I trigger this (or 2/2) ?

GCC 5

-- 
balbi
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[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Peter Robinson]

>>> Felipe Balbi <balbi@ti.com> writes:
>>> > Fix the following build break:
>>> >
>>> > drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
>>> >  int board_usb_init(int index, enum usb_init_type init)
>>> >       ^
>>> >
>>> > Signed-off-by: Felipe Balbi <balbi@ti.com>
>>>
>>> ping
>>
>> Where / how do I trigger this (or 2/2) ?
>
> GCC 5

I'm seeing exactly the same issue with gcc5 on Fedora, I've also seen
another issue with gcc5 with strcat for panda board variant names
which we hacked around [1].

Peter

[1] http://pkgs.fedoraproject.org/cgit/uboot-tools.git/tree/0009-ARM-fix-pandaboard-es-and-a4-revision-ID.patch?h=f23

[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Tom Rini]

On Wed, Oct 21, 2015 at 09:37:13AM +0100, Peter Robinson wrote:
> >>> Felipe Balbi <balbi@ti.com> writes:
> >>> > Fix the following build break:
> >>> >
> >>> > drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
> >>> >  int board_usb_init(int index, enum usb_init_type init)
> >>> >       ^
> >>> >
> >>> > Signed-off-by: Felipe Balbi <balbi@ti.com>
> >>>
> >>> ping
> >>
> >> Where / how do I trigger this (or 2/2) ?
> >
> > GCC 5
> 
> I'm seeing exactly the same issue with gcc5 on Fedora, I've also seen
> another issue with gcc5 with strcat for panda board variant names
> which we hacked around [1].

So, I want to say that GCC 5.x (or at least 5.1) will be a known good
compiler for v2016.01.  I know that Fedora folks have been doing it for
a while (yay, thanks) but I also know that Felipe has seen a few
problems using some other (I think..) gcc-5 toolchain.  So what I'm
doing is getting the Fedora gcc-5 packages installed now, along with a
Debian/unstable chroot where I can also get at all of their cross tools.

> [1] http://pkgs.fedoraproject.org/cgit/uboot-tools.git/tree/0009-ARM-fix-pandaboard-es-and-a4-revision-ID.patch?h=f23

That's interesting.  I don't know why (and I would worry about) strcat
failing, but since it's two string literals can't we just do a simple +?
Or is my lack of coffee just yet causing me to forget that C is not
every-other-language...

-- 
Tom
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[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Peter Robinson]

On Wed, Oct 21, 2015 at 12:55 PM, Tom Rini <trini@konsulko.com> wrote:
> On Wed, Oct 21, 2015 at 09:37:13AM +0100, Peter Robinson wrote:
>> >>> Felipe Balbi <balbi@ti.com> writes:
>> >>> > Fix the following build break:
>> >>> >
>> >>> > drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
>> >>> >  int board_usb_init(int index, enum usb_init_type init)
>> >>> >       ^
>> >>> >
>> >>> > Signed-off-by: Felipe Balbi <balbi@ti.com>
>> >>>
>> >>> ping
>> >>
>> >> Where / how do I trigger this (or 2/2) ?
>> >
>> > GCC 5
>>
>> I'm seeing exactly the same issue with gcc5 on Fedora, I've also seen
>> another issue with gcc5 with strcat for panda board variant names
>> which we hacked around [1].
>
> So, I want to say that GCC 5.x (or at least 5.1) will be a known good
> compiler for v2016.01.  I know that Fedora folks have been doing it for
> a while (yay, thanks) but I also know that Felipe has seen a few
> problems using some other (I think..) gcc-5 toolchain.  So what I'm
> doing is getting the Fedora gcc-5 packages installed now, along with a
> Debian/unstable chroot where I can also get at all of their cross tools.
>
>> [1] http://pkgs.fedoraproject.org/cgit/uboot-tools.git/tree/0009-ARM-fix-pandaboard-es-and-a4-revision-ID.patch?h=f23
>
> That's interesting.  I don't know why (and I would worry about) strcat
> failing, but since it's two string literals can't we just do a simple +?
> Or is my lack of coffee just yet causing me to forget that C is not
> every-other-language...

It's more pointing it out that it worked for gcc < 5 and we saw this
regression with u-boot (numerous versions) built with gcc5, I'm not
sure why the panda board implementation did it like it did as opposed
to any other way, just worth looking out for those sorts of issues
elsewhere in the code.

Peter

[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Tom Rini]

On Wed, Oct 21, 2015 at 01:24:42PM +0100, Peter Robinson wrote:
> On Wed, Oct 21, 2015 at 12:55 PM, Tom Rini <trini@konsulko.com> wrote:
> > On Wed, Oct 21, 2015 at 09:37:13AM +0100, Peter Robinson wrote:
> >> >>> Felipe Balbi <balbi@ti.com> writes:
> >> >>> > Fix the following build break:
> >> >>> >
> >> >>> > drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to external symbol ?__board_usb_init?
> >> >>> >  int board_usb_init(int index, enum usb_init_type init)
> >> >>> >       ^
> >> >>> >
> >> >>> > Signed-off-by: Felipe Balbi <balbi@ti.com>
> >> >>>
> >> >>> ping
> >> >>
> >> >> Where / how do I trigger this (or 2/2) ?
> >> >
> >> > GCC 5
> >>
> >> I'm seeing exactly the same issue with gcc5 on Fedora, I've also seen
> >> another issue with gcc5 with strcat for panda board variant names
> >> which we hacked around [1].
> >
> > So, I want to say that GCC 5.x (or at least 5.1) will be a known good
> > compiler for v2016.01.  I know that Fedora folks have been doing it for
> > a while (yay, thanks) but I also know that Felipe has seen a few
> > problems using some other (I think..) gcc-5 toolchain.  So what I'm
> > doing is getting the Fedora gcc-5 packages installed now, along with a
> > Debian/unstable chroot where I can also get at all of their cross tools.
> >
> >> [1] http://pkgs.fedoraproject.org/cgit/uboot-tools.git/tree/0009-ARM-fix-pandaboard-es-and-a4-revision-ID.patch?h=f23
> >
> > That's interesting.  I don't know why (and I would worry about) strcat
> > failing, but since it's two string literals can't we just do a simple +?
> > Or is my lack of coffee just yet causing me to forget that C is not
> > every-other-language...
> 
> It's more pointing it out that it worked for gcc < 5 and we saw this
> regression with u-boot (numerous versions) built with gcc5, I'm not
> sure why the panda board implementation did it like it did as opposed
> to any other way, just worth looking out for those sorts of issues
> elsewhere in the code.

OK, pulling up strcat(3) and I agree the current code is not correct.
And a quick git grep shows that's the only abuse.  I see the patch in
question in my queue so I'll make sure to apply it.  Thanks!

-- 
Tom
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[U-Boot] [PATCH 2/2] usb: dwc3: fix build warnings

[Marek Vasut]

On Friday, October 16, 2015 at 10:09:19 PM, Felipe Balbi wrote:
> Felipe Balbi <balbi@ti.com> writes:
> > fix the following build warnings:
> > 
> > drivers/usb/dwc3/core.c: In function ?dwc3_uboot_init?:
> > drivers/usb/dwc3/core.c:625:6: warning: ?dev? is used uninitialized in
> > this function [-Wuninitialized] mem = devm_kzalloc(dev, sizeof(*dwc) +
> > DWC3_ALIGN_MASK, GFP_KERNEL);
> > 
> >         ^
> > 
> > drivers/usb/dwc3/dwc3-omap.c: In function ?dwc3_omap_uboot_init?:
> > drivers/usb/dwc3/dwc3-omap.c:380:7: warning: ?dev? is used uninitialized
> > in this function [-Wuninitialized] omap = devm_kzalloc(dev,
> > sizeof(*omap), GFP_KERNEL);
> > 
> > Signed-off-by: Felipe Balbi <balbi@ti.com>
> 
> ping

I'd be really helpful if you CCed me ;)

Best regards,
Marek Vasut

[U-Boot] [PATCH 1/2] usb: host: xhci-omap: fix build break

[Marek Vasut]

On Thursday, October 01, 2015 at 09:22:17 PM, Felipe Balbi wrote:
> Fix the following build break:
> 
> drivers/usb/host/xhci-omap.c:35:5: error: ?board_usb_init? aliased to
> external symbol ?__board_usb_init? int board_usb_init(int index, enum
> usb_init_type init)
>       ^
> 
> Signed-off-by: Felipe Balbi <balbi@ti.com>

Applied both, thanks!

Best regards,
Marek Vasut