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| author | Marc Gonzalez <marc_gonzalez@sigmadesigns.com> | 2017-09-26 13:26:55 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-10-05 23:52:34 +0300 |
| commit | 1e61a57cac560844580ab532a4e2f5061ef77039 (patch) | |
| tree | 5326edc886070c8c09829c3ade143be234acbb98 /drivers/pci/host/pci-rcar-gen2.c | |
| parent | a060c2104ef83e62346b7e893947a940471c0d7c (diff) | |
| download | linux-1e61a57cac560844580ab532a4e2f5061ef77039.tar.xz | |
PCI: Use of_pci_dma_range_parser_init() to reduce duplication
Use the new of_pci_dma_range_parser_init() to reduce code duplication.
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pci/host/pci-rcar-gen2.c')
| -rw-r--r-- | drivers/pci/host/pci-rcar-gen2.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c index 6f879685fedd..e46de69f0380 100644 --- a/drivers/pci/host/pci-rcar-gen2.c +++ b/drivers/pci/host/pci-rcar-gen2.c @@ -293,24 +293,6 @@ static struct pci_ops rcar_pci_ops = { .write = pci_generic_config_write, }; -static int pci_dma_range_parser_init(struct of_pci_range_parser *parser, - struct device_node *node) -{ - const int na = 3, ns = 2; - int rlen; - - parser->node = node; - parser->pna = of_n_addr_cells(node); - parser->np = parser->pna + na + ns; - - parser->range = of_get_property(node, "dma-ranges", &rlen); - if (!parser->range) - return -ENOENT; - - parser->end = parser->range + rlen / sizeof(__be32); - return 0; -} - static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci, struct device_node *np) { @@ -320,7 +302,7 @@ static int rcar_pci_parse_map_dma_ranges(struct rcar_pci_priv *pci, int index = 0; /* Failure to parse is ok as we fall back to defaults */ - if (pci_dma_range_parser_init(&parser, np)) + if (of_pci_dma_range_parser_init(&parser, np)) return 0; /* Get the dma-ranges from DT */ |