Message ID | 068ebcfa-7cd0-bd06-42e7-577a4624f0b0@infradead.org (mailing list archive) |
---|---|
State | Accepted |
Commit | 48e91846865cd61bfdb701eb737de222d7f08c74 |
Headers | show |
Series | powerpc/ps3: Set driver coherent_dma_mask | expand |
Context | Check | Description |
---|---|---|
snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
snowpatch_ozlabs/checkpatch | success | Test checkpatch on branch next |
snowpatch_ozlabs/build-ppc64le | success | Test build-ppc64le on branch next |
snowpatch_ozlabs/build-ppc64be | success | Test build-ppc64be on branch next |
snowpatch_ozlabs/build-ppc64e | success | Test build-ppc64e on branch next |
snowpatch_ozlabs/build-ppc32 | success | Test build-ppc32 on branch next |
On Thu, 19 Jul 2018 00:08:33 +0200, Geoff Levand wrote: > > Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. > > Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. > > Reported-by: Fredrik Noring <noring@nocrew.org> > Signed-off-by: Geoff Levand <geoff@infradead.org> For sound bits, Reviewed-by: Takashi Iwai <tiwai@suse.de> thanks, Takashi > --- > Hi Michael, > > This just silences some warnings. Can you take it through the powerpc > tree? > > -Geoff > > > drivers/usb/host/ehci-ps3.c | 6 ++++-- > drivers/usb/host/ohci-ps3.c | 6 ++++-- > sound/ppc/snd_ps3.c | 5 +++++ > 3 files changed, 13 insertions(+), 4 deletions(-) > > diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c > index 8c733492d8fe..454d8c624a3f 100644 > --- a/drivers/usb/host/ehci-ps3.c > +++ b/drivers/usb/host/ehci-ps3.c > @@ -86,7 +86,7 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) > int result; > struct usb_hcd *hcd; > unsigned int virq; > - static u64 dummy_mask = DMA_BIT_MASK(32); > + static u64 dummy_mask; > > if (usb_disabled()) { > result = -ENODEV; > @@ -131,7 +131,9 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) > goto fail_irq; > } > > - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ > + dummy_mask = DMA_BIT_MASK(32); > + dev->core.dma_mask = &dummy_mask; > + dma_set_coherent_mask(&dev->core, dummy_mask); > > hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev_name(&dev->core)); > > diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c > index 20a23d795adf..395f9d3bc849 100644 > --- a/drivers/usb/host/ohci-ps3.c > +++ b/drivers/usb/host/ohci-ps3.c > @@ -69,7 +69,7 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev) > int result; > struct usb_hcd *hcd; > unsigned int virq; > - static u64 dummy_mask = DMA_BIT_MASK(32); > + static u64 dummy_mask; > > if (usb_disabled()) { > result = -ENODEV; > @@ -115,7 +115,9 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev) > goto fail_irq; > } > > - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ > + dummy_mask = DMA_BIT_MASK(32); > + dev->core.dma_mask = &dummy_mask; > + dma_set_coherent_mask(&dev->core, dummy_mask); > > hcd = usb_create_hcd(&ps3_ohci_hc_driver, &dev->core, dev_name(&dev->core)); > > diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c > index 36f34f434ecb..abe031c9d592 100644 > --- a/sound/ppc/snd_ps3.c > +++ b/sound/ppc/snd_ps3.c > @@ -930,6 +930,7 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev) > { > int i, ret; > u64 lpar_addr, lpar_size; > + static u64 dummy_mask; > > if (WARN_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1))) > return -ENODEV; > @@ -970,6 +971,10 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev) > goto clean_mmio; > } > > + dummy_mask = DMA_BIT_MASK(32); > + dev->core.dma_mask = &dummy_mask; > + dma_set_coherent_mask(&dev->core, dummy_mask); > + > snd_ps3_audio_set_base_addr(dev->d_region->bus_addr); > > /* CONFIG_SND_PS3_DEFAULT_START_DELAY */ > -- > 2.14.1 > >
On Thu, Jul 19, 2018 at 08:46:45AM +0200, Takashi Iwai wrote: > On Thu, 19 Jul 2018 00:08:33 +0200, > Geoff Levand wrote: > > > > Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. > > > > Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. > > > > Reported-by: Fredrik Noring <noring@nocrew.org> > > Signed-off-by: Geoff Levand <geoff@infradead.org> > > For sound bits, > Reviewed-by: Takashi Iwai <tiwai@suse.de> Thanks, I'll take this through the USB tree then. greg k-h
On Wed, Jul 18, 2018 at 03:08:33PM -0700, Geoff Levand wrote: > Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. > > Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. > > Reported-by: Fredrik Noring <noring@nocrew.org> > Signed-off-by: Geoff Levand <geoff@infradead.org> > --- > Hi Michael, > > This just silences some warnings. Can you take it through the powerpc > tree? Oops, nevermind, it should go through the ppc tree. Here's my ack: Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg KH <gregkh@linuxfoundation.org> writes: > On Wed, Jul 18, 2018 at 03:08:33PM -0700, Geoff Levand wrote: >> Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. >> >> Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. >> >> Reported-by: Fredrik Noring <noring@nocrew.org> >> Signed-off-by: Geoff Levand <geoff@infradead.org> >> --- >> Hi Michael, >> >> This just silences some warnings. Can you take it through the powerpc >> tree? > > Oops, nevermind, it should go through the ppc tree. Here's my ack: > > Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> OK thanks, I'll take it. cheers
On Wed, 18 Jul 2018, Geoff Levand wrote: > Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. > > Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. > > Reported-by: Fredrik Noring <noring@nocrew.org> > Signed-off-by: Geoff Levand <geoff@infradead.org> > --- > Hi Michael, > > This just silences some warnings. Can you take it through the powerpc > tree? > > -Geoff > > > drivers/usb/host/ehci-ps3.c | 6 ++++-- > drivers/usb/host/ohci-ps3.c | 6 ++++-- > sound/ppc/snd_ps3.c | 5 +++++ > 3 files changed, 13 insertions(+), 4 deletions(-) > > diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c > index 8c733492d8fe..454d8c624a3f 100644 > --- a/drivers/usb/host/ehci-ps3.c > +++ b/drivers/usb/host/ehci-ps3.c > @@ -86,7 +86,7 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) > int result; > struct usb_hcd *hcd; > unsigned int virq; > - static u64 dummy_mask = DMA_BIT_MASK(32); > + static u64 dummy_mask; > > if (usb_disabled()) { > result = -ENODEV; > @@ -131,7 +131,9 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) > goto fail_irq; > } > > - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ > + dummy_mask = DMA_BIT_MASK(32); > + dev->core.dma_mask = &dummy_mask; > + dma_set_coherent_mask(&dev->core, dummy_mask); What is the reason for changing a static initialization to a dynamic one? As far as I can see, the patch touches four lines of code but the only real difference is addition of a single line (and removal of a comment). > diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c > index 20a23d795adf..395f9d3bc849 100644 > --- a/drivers/usb/host/ohci-ps3.c > +++ b/drivers/usb/host/ohci-ps3.c > @@ -69,7 +69,7 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev) > int result; > struct usb_hcd *hcd; > unsigned int virq; > - static u64 dummy_mask = DMA_BIT_MASK(32); > + static u64 dummy_mask; > > if (usb_disabled()) { > result = -ENODEV; > @@ -115,7 +115,9 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev) > goto fail_irq; > } > > - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ > + dummy_mask = DMA_BIT_MASK(32); > + dev->core.dma_mask = &dummy_mask; > + dma_set_coherent_mask(&dev->core, dummy_mask); Same here. Alan Stern
Hi Alan, On 07/19/2018 07:33 AM, Alan Stern wrote: > On Wed, 18 Jul 2018, Geoff Levand wrote: > >> diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c >> index 8c733492d8fe..454d8c624a3f 100644 >> --- a/drivers/usb/host/ehci-ps3.c >> +++ b/drivers/usb/host/ehci-ps3.c >> @@ -86,7 +86,7 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) >> int result; >> struct usb_hcd *hcd; >> unsigned int virq; >> - static u64 dummy_mask = DMA_BIT_MASK(32); >> + static u64 dummy_mask; >> >> if (usb_disabled()) { >> result = -ENODEV; >> @@ -131,7 +131,9 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) >> goto fail_irq; >> } >> >> - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ >> + dummy_mask = DMA_BIT_MASK(32); >> + dev->core.dma_mask = &dummy_mask; >> + dma_set_coherent_mask(&dev->core, dummy_mask); > > What is the reason for changing a static initialization to a dynamic > one? As far as I can see, the patch touches four lines of code but the > only real difference is addition of a single line (and removal of a > comment). I thought it would be better if all the setting was done in one place, that's the only reason. -Geoff
On Thu, 19 Jul 2018, Geoff Levand wrote: > Hi Alan, > > On 07/19/2018 07:33 AM, Alan Stern wrote: > > On Wed, 18 Jul 2018, Geoff Levand wrote: > > > >> diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c > >> index 8c733492d8fe..454d8c624a3f 100644 > >> --- a/drivers/usb/host/ehci-ps3.c > >> +++ b/drivers/usb/host/ehci-ps3.c > >> @@ -86,7 +86,7 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) > >> int result; > >> struct usb_hcd *hcd; > >> unsigned int virq; > >> - static u64 dummy_mask = DMA_BIT_MASK(32); > >> + static u64 dummy_mask; > >> > >> if (usb_disabled()) { > >> result = -ENODEV; > >> @@ -131,7 +131,9 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) > >> goto fail_irq; > >> } > >> > >> - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ > >> + dummy_mask = DMA_BIT_MASK(32); > >> + dev->core.dma_mask = &dummy_mask; > >> + dma_set_coherent_mask(&dev->core, dummy_mask); > > > > What is the reason for changing a static initialization to a dynamic > > one? As far as I can see, the patch touches four lines of code but the > > only real difference is addition of a single line (and removal of a > > comment). > > I thought it would be better if all the setting was done in > one place, that's the only reason. All right; in that case (for the EHCI and OHCI pieces): Acked-by: Alan Stern <stern@rowland.harvard.edu> Alan Stern
On Wed, 2018-07-18 at 22:08:33 UTC, Geoff Levand wrote: > Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. > > Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. > > Reported-by: Fredrik Noring <noring@nocrew.org> > Signed-off-by: Geoff Levand <geoff@infradead.org> > Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/48e91846865cd61bfdb701eb737de2 cheers
diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 8c733492d8fe..454d8c624a3f 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -86,7 +86,7 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) int result; struct usb_hcd *hcd; unsigned int virq; - static u64 dummy_mask = DMA_BIT_MASK(32); + static u64 dummy_mask; if (usb_disabled()) { result = -ENODEV; @@ -131,7 +131,9 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev) goto fail_irq; } - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ + dummy_mask = DMA_BIT_MASK(32); + dev->core.dma_mask = &dummy_mask; + dma_set_coherent_mask(&dev->core, dummy_mask); hcd = usb_create_hcd(&ps3_ehci_hc_driver, &dev->core, dev_name(&dev->core)); diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c index 20a23d795adf..395f9d3bc849 100644 --- a/drivers/usb/host/ohci-ps3.c +++ b/drivers/usb/host/ohci-ps3.c @@ -69,7 +69,7 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev) int result; struct usb_hcd *hcd; unsigned int virq; - static u64 dummy_mask = DMA_BIT_MASK(32); + static u64 dummy_mask; if (usb_disabled()) { result = -ENODEV; @@ -115,7 +115,9 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev) goto fail_irq; } - dev->core.dma_mask = &dummy_mask; /* FIXME: for improper usb code */ + dummy_mask = DMA_BIT_MASK(32); + dev->core.dma_mask = &dummy_mask; + dma_set_coherent_mask(&dev->core, dummy_mask); hcd = usb_create_hcd(&ps3_ohci_hc_driver, &dev->core, dev_name(&dev->core)); diff --git a/sound/ppc/snd_ps3.c b/sound/ppc/snd_ps3.c index 36f34f434ecb..abe031c9d592 100644 --- a/sound/ppc/snd_ps3.c +++ b/sound/ppc/snd_ps3.c @@ -930,6 +930,7 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev) { int i, ret; u64 lpar_addr, lpar_size; + static u64 dummy_mask; if (WARN_ON(!firmware_has_feature(FW_FEATURE_PS3_LV1))) return -ENODEV; @@ -970,6 +971,10 @@ static int snd_ps3_driver_probe(struct ps3_system_bus_device *dev) goto clean_mmio; } + dummy_mask = DMA_BIT_MASK(32); + dev->core.dma_mask = &dummy_mask; + dma_set_coherent_mask(&dev->core, dummy_mask); + snd_ps3_audio_set_base_addr(dev->d_region->bus_addr); /* CONFIG_SND_PS3_DEFAULT_START_DELAY */
Set the coherent_dma_mask for the PS3 ehci, ohci, and snd devices. Silences WARN_ON_ONCE messages emitted by the dma_alloc_attrs() routine. Reported-by: Fredrik Noring <noring@nocrew.org> Signed-off-by: Geoff Levand <geoff@infradead.org> --- Hi Michael, This just silences some warnings. Can you take it through the powerpc tree? -Geoff drivers/usb/host/ehci-ps3.c | 6 ++++-- drivers/usb/host/ohci-ps3.c | 6 ++++-- sound/ppc/snd_ps3.c | 5 +++++ 3 files changed, 13 insertions(+), 4 deletions(-)