struct sh_msiof_spi_priv *p = spi_master_get_devdata(master);
const struct spi_device *spi = msg->spi;
- pm_runtime_get_sync(&p->pdev->dev);
- clk_enable(p->clk);
-
/* Configure pins before asserting CS */
sh_msiof_spi_set_pin_regs(p, !!(spi->mode & SPI_CPOL),
!!(spi->mode & SPI_CPHA),
return 0;
}
-static int sh_msiof_unprepare_message(struct spi_master *master,
- struct spi_message *msg)
-{
- struct sh_msiof_spi_priv *p = spi_master_get_devdata(master);
-
- clk_disable(p->clk);
- pm_runtime_put(&p->pdev->dev);
- return 0;
-}
-
static int sh_msiof_spi_txrx_once(struct sh_msiof_spi_priv *p,
void (*tx_fifo)(struct sh_msiof_spi_priv *,
const void *, int, int),
goto err1;
}
- ret = clk_prepare(p->clk);
- if (ret < 0) {
- dev_err(&pdev->dev, "unable to prepare clock\n");
- goto err1;
- }
-
p->pdev = pdev;
pm_runtime_enable(&pdev->dev);
master->num_chipselect = p->info->num_chipselect;
master->setup = sh_msiof_spi_setup;
master->prepare_message = sh_msiof_prepare_message;
- master->unprepare_message = sh_msiof_unprepare_message;
master->bits_per_word_mask = SPI_BPW_RANGE_MASK(8, 32);
+ master->auto_runtime_pm = true;
master->transfer_one = sh_msiof_transfer_one;
ret = devm_spi_register_master(&pdev->dev, master);
err2:
pm_runtime_disable(&pdev->dev);
- clk_unprepare(p->clk);
err1:
spi_master_put(master);
return ret;
static int sh_msiof_spi_remove(struct platform_device *pdev)
{
- struct sh_msiof_spi_priv *p = platform_get_drvdata(pdev);
-
pm_runtime_disable(&pdev->dev);
- clk_unprepare(p->clk);
return 0;
}