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Groups > linux.kernel > #1238909 > unrolled thread
| Started by | Christoph Hellwig <hch@lst.de> |
|---|---|
| First post | 2015-10-03 17:30 +0200 |
| Last post | 2015-10-04 12:00 +0200 |
| Articles | 2 — 2 participants |
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[PATCH 15/15] dma: remove external references to dma_supported Christoph Hellwig <hch@lst.de> - 2015-10-03 17:30 +0200
Re: [PATCH 15/15] dma: remove external references to dma_supported Greg KH <gregkh@linuxfoundation.org> - 2015-10-04 12:00 +0200
| From | Christoph Hellwig <hch@lst.de> |
|---|---|
| Date | 2015-10-03 17:30 +0200 |
| Subject | [PATCH 15/15] dma: remove external references to dma_supported |
| Message-ID | <qfwV4-5K3-11@gated-at.bofh.it> |
Signed-off-by: Christoph Hellwig <hch@lst.de> --- Documentation/DMA-API.txt | 13 ------------- drivers/usb/host/ehci-hcd.c | 2 +- drivers/usb/host/fotg210-hcd.c | 2 +- drivers/usb/host/fusbh200-hcd.c | 2 +- drivers/usb/host/oxu210hp-hcd.c | 2 +- 5 files changed, 4 insertions(+), 17 deletions(-) diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index edccacd..55f48684 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -142,19 +142,6 @@ Part Ic - DMA addressing limitations ------------------------------------ int -dma_supported(struct device *dev, u64 mask) - -Checks to see if the device can support DMA to the memory described by -mask. - -Returns: 1 if it can and 0 if it can't. - -Notes: This routine merely tests to see if the mask is possible. It -won't change the current mask settings. It is more intended as an -internal API for use by the platform than an external API for use by -driver writers. - -int dma_set_mask_and_coherent(struct device *dev, u64 mask) Checks to see if the mask is possible and updates the device diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index c63d82c..48c92bf 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -589,7 +589,7 @@ static int ehci_run (struct usb_hcd *hcd) * streaming mappings for I/O buffers, like pci_map_single(), * can return segments above 4GB, if the device allows. * - * NOTE: the dma mask is visible through dma_supported(), so + * NOTE: the dma mask is visible through dev->dma_mask, so * drivers can pass this info along ... like NETIF_F_HIGHDMA, * Scsi_Host.highmem_io, and so forth. It's readonly to all * host side drivers though. diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 000ed80..c5fc3ef 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -5258,7 +5258,7 @@ static int fotg210_run(struct usb_hcd *hcd) * streaming mappings for I/O buffers, like pci_map_single(), * can return segments above 4GB, if the device allows. * - * NOTE: the dma mask is visible through dma_supported(), so + * NOTE: the dma mask is visible through dev->dma_mask, so * drivers can pass this info along ... like NETIF_F_HIGHDMA, * Scsi_Host.highmem_io, and so forth. It's readonly to all * host side drivers though. diff --git a/drivers/usb/host/fusbh200-hcd.c b/drivers/usb/host/fusbh200-hcd.c index 1fd8718..4a1243a 100644 --- a/drivers/usb/host/fusbh200-hcd.c +++ b/drivers/usb/host/fusbh200-hcd.c @@ -5181,7 +5181,7 @@ static int fusbh200_run (struct usb_hcd *hcd) * streaming mappings for I/O buffers, like pci_map_single(), * can return segments above 4GB, if the device allows. * - * NOTE: the dma mask is visible through dma_supported(), so + * NOTE: the dma mask is visible through dev->dma_mask, so * drivers can pass this info along ... like NETIF_F_HIGHDMA, * Scsi_Host.highmem_io, and so forth. It's readonly to all * host side drivers though. diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index fe3bd1c..1f139d8 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -2721,7 +2721,7 @@ static int oxu_run(struct usb_hcd *hcd) * streaming mappings for I/O buffers, like pci_map_single(), * can return segments above 4GB, if the device allows. * - * NOTE: the dma mask is visible through dma_supported(), so + * NOTE: the dma mask is visible through dev->dma_mask, so * drivers can pass this info along ... like NETIF_F_HIGHDMA, * Scsi_Host.highmem_io, and so forth. It's readonly to all * host side drivers though. -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| Date | 2015-10-04 12:00 +0200 |
| Message-ID | <qfOff-5eb-3@gated-at.bofh.it> |
| In reply to | #1238909 |
On Sat, Oct 03, 2015 at 05:19:39PM +0200, Christoph Hellwig wrote: > Signed-off-by: Christoph Hellwig <hch@lst.de> > --- > Documentation/DMA-API.txt | 13 ------------- > drivers/usb/host/ehci-hcd.c | 2 +- > drivers/usb/host/fotg210-hcd.c | 2 +- > drivers/usb/host/fusbh200-hcd.c | 2 +- > drivers/usb/host/oxu210hp-hcd.c | 2 +- > 5 files changed, 4 insertions(+), 17 deletions(-) Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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