diff options
| author | Scott Wood | 2015-04-17 09:19:01 -0500 |
|---|---|---|
| committer | Tom Rini | 2015-04-18 16:54:29 -0400 |
| commit | 9efaca3e847696ed40fca1dbbc621fcc35b8d94c (patch) | |
| tree | 2d97706c0a7393f5c716cecb46c1869131a507bd /drivers/block/ahci.c | |
| parent | 3907305fb97c4547af5a03a0107b013ed7e886ca (diff) | |
ahci: mmio_base is a virtual address
Don't store it in a u32.
Don't dereference the bus address as if it were a virtual address
(fixes 284231e49a2b4 ("ahci: Support splitting of read transactions
into multiple chunks")).
Fixes crash on boot in MPC8641HPCN_36BIT target.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Vadim Bendebury <vbendeb@chromium.org>
Acked-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'drivers/block/ahci.c')
| -rw-r--r-- | drivers/block/ahci.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index 88b90e02035..65086484eea 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -137,10 +137,10 @@ static void sunxi_dma_init(volatile u8 *port_mmio) } #endif -int ahci_reset(u32 base) +int ahci_reset(void __iomem *base) { int i = 1000; - u32 host_ctl_reg = base + HOST_CTL; + u32 __iomem *host_ctl_reg = base + HOST_CTL; u32 tmp = readl(host_ctl_reg); /* global controller reset */ if ((tmp & HOST_RESET) == 0) @@ -419,8 +419,9 @@ static int ahci_init_one(pci_dev_t pdev) probe_ent->pio_mask = 0x1f; probe_ent->udma_mask = 0x7f; /*Fixme,assume to support UDMA6 */ - pci_read_config_dword(pdev, PCI_BASE_ADDRESS_5, &probe_ent->mmio_base); - debug("ahci mmio_base=0x%08x\n", probe_ent->mmio_base); + probe_ent->mmio_base = pci_map_bar(pdev, PCI_BASE_ADDRESS_5, + PCI_REGION_MEM); + debug("ahci mmio_base=0x%p\n", probe_ent->mmio_base); /* Take from kernel: * JMicron-specific fixup: @@ -939,7 +940,7 @@ void scsi_low_level_init(int busdevfunc) } #ifdef CONFIG_SCSI_AHCI_PLAT -int ahci_init(u32 base) +int ahci_init(void __iomem *base) { int i, rc = 0; u32 linkmap; |