diff options
Diffstat (limited to 'drivers/spi/spi-rpc-if.c')
| -rw-r--r-- | drivers/spi/spi-rpc-if.c | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/drivers/spi/spi-rpc-if.c b/drivers/spi/spi-rpc-if.c index e11146932828..6edc0c4db854 100644 --- a/drivers/spi/spi-rpc-if.c +++ b/drivers/spi/spi-rpc-if.c @@ -14,7 +14,7 @@ #include <memory/renesas-rpc-if.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> static void rpcif_spi_mem_prepare(struct spi_device *spi_dev, const struct spi_mem_op *spi_op, @@ -75,6 +75,19 @@ static bool rpcif_spi_mem_supports_op(struct spi_mem *mem, return true; } +static ssize_t xspi_spi_mem_dirmap_write(struct spi_mem_dirmap_desc *desc, + u64 offs, size_t len, const void *buf) +{ + struct rpcif *rpc = spi_controller_get_devdata(desc->mem->spi->controller); + + if (offs + desc->info.offset + len > U32_MAX) + return -EINVAL; + + rpcif_spi_mem_prepare(desc->mem->spi, &desc->info.op_tmpl, &offs, &len); + + return xspi_dirmap_write(rpc->dev, offs, len, buf); +} + static ssize_t rpcif_spi_mem_dirmap_read(struct spi_mem_dirmap_desc *desc, u64 offs, size_t len, void *buf) { @@ -95,16 +108,16 @@ static int rpcif_spi_mem_dirmap_create(struct spi_mem_dirmap_desc *desc) spi_controller_get_devdata(desc->mem->spi->controller); if (desc->info.offset + desc->info.length > U32_MAX) - return -ENOTSUPP; + return -EINVAL; if (!rpcif_spi_mem_supports_op(desc->mem, &desc->info.op_tmpl)) - return -ENOTSUPP; + return -EOPNOTSUPP; - if (!rpc->dirmap && desc->info.op_tmpl.data.dir == SPI_MEM_DATA_IN) - return -ENOTSUPP; + if (!rpc->dirmap) + return -EOPNOTSUPP; - if (desc->info.op_tmpl.data.dir == SPI_MEM_DATA_OUT) - return -ENOTSUPP; + if (!rpc->xspi && desc->info.op_tmpl.data.dir != SPI_MEM_DATA_IN) + return -EOPNOTSUPP; return 0; } @@ -125,6 +138,7 @@ static const struct spi_controller_mem_ops rpcif_spi_mem_ops = { .exec_op = rpcif_spi_mem_exec_op, .dirmap_create = rpcif_spi_mem_dirmap_create, .dirmap_read = rpcif_spi_mem_dirmap_read, + .dirmap_write = xspi_spi_mem_dirmap_write, }; static int rpcif_spi_probe(struct platform_device *pdev) @@ -182,30 +196,37 @@ static void rpcif_spi_remove(struct platform_device *pdev) pm_runtime_disable(rpc->dev); } -static int __maybe_unused rpcif_spi_suspend(struct device *dev) +static int rpcif_spi_suspend(struct device *dev) { struct spi_controller *ctlr = dev_get_drvdata(dev); return spi_controller_suspend(ctlr); } -static int __maybe_unused rpcif_spi_resume(struct device *dev) +static int rpcif_spi_resume(struct device *dev) { struct spi_controller *ctlr = dev_get_drvdata(dev); + rpcif_hw_init(dev, false); + return spi_controller_resume(ctlr); } -static SIMPLE_DEV_PM_OPS(rpcif_spi_pm_ops, rpcif_spi_suspend, rpcif_spi_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(rpcif_spi_pm_ops, rpcif_spi_suspend, rpcif_spi_resume); + +static const struct platform_device_id rpc_if_spi_id_table[] = { + { .name = "rpc-if-spi" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, rpc_if_spi_id_table); static struct platform_driver rpcif_spi_driver = { .probe = rpcif_spi_probe, - .remove_new = rpcif_spi_remove, + .remove = rpcif_spi_remove, + .id_table = rpc_if_spi_id_table, .driver = { .name = "rpc-if-spi", -#ifdef CONFIG_PM_SLEEP - .pm = &rpcif_spi_pm_ops, -#endif + .pm = pm_sleep_ptr(&rpcif_spi_pm_ops), }, }; module_platform_driver(rpcif_spi_driver); |