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| author | Witold Sadowski <wsadowski@marvell.com> | 2024-07-24 08:47:37 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-07-29 01:19:30 +0100 |
| commit | 4b8cb7dcd8acd7a05354f0b458aca02e4497f2a6 (patch) | |
| tree | df69cd4c47740a006c51ac0a62bdeb46497ca753 /drivers/spi/spi-cadence-xspi.c | |
| parent | 931e389ded0f1411cbf07ad50074dc2bcd49e1a8 (diff) | |
| download | lwn-4b8cb7dcd8acd7a05354f0b458aca02e4497f2a6.tar.gz lwn-4b8cb7dcd8acd7a05354f0b458aca02e4497f2a6.zip | |
spi: cadence: Change resource mapping
If mapping resource by name will fail try to map resource by number.
Such situation can occur in ACPI case.
Signed-off-by: Witold Sadowski <wsadowski@marvell.com>
Signed-off-by: Piyush Malgujar <pmalgujar@marvell.com>
Link: https://patch.msgid.link/20240724154739.582367-8-wsadowski@marvell.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-cadence-xspi.c')
| -rw-r--r-- | drivers/spi/spi-cadence-xspi.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/spi/spi-cadence-xspi.c b/drivers/spi/spi-cadence-xspi.c index 69c08bae7628..a129f33bfd38 100644 --- a/drivers/spi/spi-cadence-xspi.c +++ b/drivers/spi/spi-cadence-xspi.c @@ -1118,28 +1118,41 @@ static int cdns_xspi_probe(struct platform_device *pdev) cdns_xspi->iobase = devm_platform_ioremap_resource_byname(pdev, "io"); if (IS_ERR(cdns_xspi->iobase)) { - dev_err(dev, "Failed to remap controller base address\n"); - return PTR_ERR(cdns_xspi->iobase); + cdns_xspi->iobase = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(cdns_xspi->iobase)) { + dev_err(dev, "Failed to remap controller base address\n"); + return PTR_ERR(cdns_xspi->iobase); + } } res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sdma"); cdns_xspi->sdmabase = devm_ioremap_resource(dev, res); - if (IS_ERR(cdns_xspi->sdmabase)) - return PTR_ERR(cdns_xspi->sdmabase); + if (IS_ERR(cdns_xspi->sdmabase)) { + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + cdns_xspi->sdmabase = devm_ioremap_resource(dev, res); + if (IS_ERR(cdns_xspi->sdmabase)) + return PTR_ERR(cdns_xspi->sdmabase); + } cdns_xspi->sdmasize = resource_size(res); cdns_xspi->auxbase = devm_platform_ioremap_resource_byname(pdev, "aux"); if (IS_ERR(cdns_xspi->auxbase)) { - dev_err(dev, "Failed to remap AUX address\n"); - return PTR_ERR(cdns_xspi->auxbase); + cdns_xspi->auxbase = devm_platform_ioremap_resource(pdev, 2); + if (IS_ERR(cdns_xspi->auxbase)) { + dev_err(dev, "Failed to remap AUX address\n"); + return PTR_ERR(cdns_xspi->auxbase); + } } if (cdns_xspi->driver_data->mrvl_hw_overlay) { cdns_xspi->xferbase = devm_platform_ioremap_resource_byname(pdev, "xfer"); if (IS_ERR(cdns_xspi->xferbase)) { - dev_info(dev, "XFER register base not found, set it\n"); - // For compatibility with older firmware - cdns_xspi->xferbase = cdns_xspi->iobase + 0x8000; + cdns_xspi->xferbase = devm_platform_ioremap_resource(pdev, 3); + if (IS_ERR(cdns_xspi->xferbase)) { + dev_info(dev, "XFER register base not found, set it\n"); + // For compatibility with older firmware + cdns_xspi->xferbase = cdns_xspi->iobase + 0x8000; + } } } |