There are no consumers of pci_enable_msi_block_auto()
interface have left. Eliminate it for now.
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
---
Documentation/PCI/MSI-HOWTO.txt | 12 ++++++------
drivers/pci/msi.c | 25 -------------------------
include/linux/pci.h | 7 -------
3 files changed, 6 insertions(+), 38 deletions(-)
diff --git a/Documentation/PCI/MSI-HOWTO.txt b/Documentation/PCI/MSI-HOWTO.txt
index 32d7d15..a8019e3 100644
--- a/Documentation/PCI/MSI-HOWTO.txt
+++ b/Documentation/PCI/MSI-HOWTO.txt
@@ -197,12 +197,12 @@ supported, it can set the pointer count to NULL.
void pci_disable_msi(struct pci_dev *dev)
-This function should be used to undo the effect of pci_enable_msi_block(),
-pci_enable_msi(), pci_enable_msi_block_auto() or pci_enable_msi_block_part().
-Calling it restores dev->irq to the pin-based interrupt number and frees the
-previously allocated message signaled interrupt(s). The interrupt may
-subsequently be assigned to another device, so drivers should not cache the
-value of dev->irq.
+This function should be used to undo the effect of pci_enable_msi() or
+pci_enable_msi_block() or pci_enable_msi_block_part(). Calling it restores
+dev->irq to the pin-based interrupt number and frees the previously
+allocated message signaled interrupt(s). The interrupt may subsequently be
+assigned to another device, so drivers should not cache the value of
+dev->irq.
Before calling this function, a device driver must always call free_irq()
on any interrupt for which it previously called request_irq().
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index a5c958f..d99f022 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -866,31 +866,6 @@ int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec)
}
EXPORT_SYMBOL(pci_enable_msi_block);
-int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec)
-{
- int ret, nvec;
- u16 msgctl;
-
- if (!dev->msi_cap)
- return -EINVAL;
-
- pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &msgctl);
- ret = 1 << ((msgctl & PCI_MSI_FLAGS_QMASK) >> 1);
-
- if (maxvec)
- *maxvec = ret;
-
- do {
- nvec = ret;
- ret = pci_enable_msi_block(dev, nvec);
- } while (ret > 0);
-
- if (ret < 0)
- return ret;
- return nvec;
-}
-EXPORT_SYMBOL(pci_enable_msi_block_auto);
-
void pci_msi_shutdown(struct pci_dev *dev)
{
struct msi_desc *desc;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6552cee..89935b4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1133,12 +1133,6 @@ static inline int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec)
return -1;
}
-static inline int
-pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec)
-{
- return -1;
-}
-
static inline void pci_msi_shutdown(struct pci_dev *dev)
{ }
static inline void pci_disable_msi(struct pci_dev *dev)
@@ -1172,7 +1166,6 @@ static inline int pci_msi_enabled(void)
int pci_enable_msi_block_part(struct pci_dev *dev,
unsigned int nvec, int nvec_mme);
int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec);
-int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec);
void pci_msi_shutdown(struct pci_dev *dev);
void pci_disable_msi(struct pci_dev *dev);
int pci_msix_table_size(struct pci_dev *dev);
--
1.7.7.6
--
Regards,
Alexander Gordeev
agordeev@xxxxxxxxxx
--
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