diff options
| -rw-r--r-- | drivers/memory/pl353-smc.c | 36 |
1 files changed, 3 insertions, 33 deletions
diff --git a/drivers/memory/pl353-smc.c b/drivers/memory/pl353-smc.c index c75b99e49970..994c7a792e34 100644 --- a/drivers/memory/pl353-smc.c +++ b/drivers/memory/pl353-smc.c @@ -75,34 +75,21 @@ static int pl353_smc_probe(struct amba_device *adev, const struct amba_id *id) const struct of_device_id *match = NULL; struct pl353_smc_data *pl353_smc; struct device_node *child; - int err; pl353_smc = devm_kzalloc(&adev->dev, sizeof(*pl353_smc), GFP_KERNEL); if (!pl353_smc) return -ENOMEM; - pl353_smc->aclk = devm_clk_get(&adev->dev, "apb_pclk"); + pl353_smc->aclk = devm_clk_get_enabled(&adev->dev, "apb_pclk"); if (IS_ERR(pl353_smc->aclk)) return dev_err_probe(&adev->dev, PTR_ERR(pl353_smc->aclk), "aclk clock not found.\n"); - pl353_smc->memclk = devm_clk_get(&adev->dev, "memclk"); + pl353_smc->memclk = devm_clk_get_enabled(&adev->dev, "memclk"); if (IS_ERR(pl353_smc->memclk)) return dev_err_probe(&adev->dev, PTR_ERR(pl353_smc->memclk), "memclk clock not found.\n"); - err = clk_prepare_enable(pl353_smc->aclk); - if (err) { - dev_err(&adev->dev, "Unable to enable AXI clock.\n"); - return err; - } - - err = clk_prepare_enable(pl353_smc->memclk); - if (err) { - dev_err(&adev->dev, "Unable to enable memory clock.\n"); - goto disable_axi_clk; - } - amba_set_drvdata(adev, pl353_smc); /* Find compatible children. Only a single child is supported */ @@ -115,30 +102,14 @@ static int pl353_smc_probe(struct amba_device *adev, const struct amba_id *id) break; } if (!match) { - err = -ENODEV; dev_err(&adev->dev, "no matching children\n"); - goto disable_mem_clk; + return -ENODEV; } of_platform_device_create(child, NULL, &adev->dev); of_node_put(child); return 0; - -disable_mem_clk: - clk_disable_unprepare(pl353_smc->memclk); -disable_axi_clk: - clk_disable_unprepare(pl353_smc->aclk); - - return err; -} - -static void pl353_smc_remove(struct amba_device *adev) -{ - struct pl353_smc_data *pl353_smc = amba_get_drvdata(adev); - - clk_disable_unprepare(pl353_smc->memclk); - clk_disable_unprepare(pl353_smc->aclk); } static const struct amba_id pl353_ids[] = { @@ -157,7 +128,6 @@ static struct amba_driver pl353_smc_driver = { }, .id_table = pl353_ids, .probe = pl353_smc_probe, - .remove = pl353_smc_remove, }; module_amba_driver(pl353_smc_driver); |