diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2019-08-16 16:40:08 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2019-08-16 16:40:08 +0200 |
| commit | 3758b8bd81966b63dc93093a323e9bdd734545fd (patch) | |
| tree | 229bda2abe1a31d59da4b48e71aeefde934fe1d0 /drivers/pci/controller/pcie-rcar.c | |
| parent | d15d0b7a9f89cf5a905ad6802eb23100c8063939 (diff) | |
| parent | dd209b062b86dd951cf1da93f20aa497fe99d52d (diff) | |
Merge tag 'v4.19.59-rt24' into toradex_4.19.y-rttoradex_4.19.y-rt
Linux 4.19.59-rt24
Diffstat (limited to 'drivers/pci/controller/pcie-rcar.c')
| -rw-r--r-- | drivers/pci/controller/pcie-rcar.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c index 6a4e435bd35f..9b9c677ad3a0 100644 --- a/drivers/pci/controller/pcie-rcar.c +++ b/drivers/pci/controller/pcie-rcar.c @@ -892,7 +892,7 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) { struct device *dev = pcie->dev; struct rcar_msi *msi = &pcie->msi; - unsigned long base; + phys_addr_t base; int err, i; mutex_init(&msi->lock); @@ -931,10 +931,14 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) /* setup MSI data target */ msi->pages = __get_free_pages(GFP_KERNEL, 0); + if (!msi->pages) { + err = -ENOMEM; + goto err; + } base = virt_to_phys((void *)msi->pages); - rcar_pci_write_reg(pcie, base | MSIFE, PCIEMSIALR); - rcar_pci_write_reg(pcie, 0, PCIEMSIAUR); + rcar_pci_write_reg(pcie, lower_32_bits(base) | MSIFE, PCIEMSIALR); + rcar_pci_write_reg(pcie, upper_32_bits(base), PCIEMSIAUR); /* enable all MSI interrupts */ rcar_pci_write_reg(pcie, 0xffffffff, PCIEMSIIER); |