diff options
author | Kousik Sanagavarapu <five231003@gmail.com> | 2024-08-25 14:18:45 +0530 |
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committer | Nishanth Menon <nm@ti.com> | 2024-08-28 12:18:02 -0500 |
commit | 68123510b7c1c610387dd306f92ff539c3c546b5 (patch) | |
tree | ff6cababf3fa53266f4d331a54414d03d5565576 /drivers/soc/ti | |
parent | b0289dbf1c952c04ba48b05cc6345381999ef055 (diff) |
soc: ti: pm33xx: do device_node auto cleanup
Use scope based cleanup instead of manual of_node_put() calls, hence
simplifying the handling of error paths.
Suggested-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Link: https://lore.kernel.org/r/20240825085714.10736-5-five231003@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
Diffstat (limited to 'drivers/soc/ti')
-rw-r--r-- | drivers/soc/ti/pm33xx.c | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index 3a56bbf3268a..8169885ab1e0 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -383,54 +383,44 @@ static void am33xx_pm_free_sram(void) */ static int am33xx_pm_alloc_sram(void) { - struct device_node *np; - int ret = 0; + struct device_node *np __free(device_node) = + of_find_compatible_node(NULL, NULL, "ti,omap3-mpu"); - np = of_find_compatible_node(NULL, NULL, "ti,omap3-mpu"); if (!np) { np = of_find_compatible_node(NULL, NULL, "ti,omap4-mpu"); - if (!np) { - dev_err(pm33xx_dev, "PM: %s: Unable to find device node for mpu\n", - __func__); - return -ENODEV; - } + if (!np) + return dev_err_probe(pm33xx_dev, -ENODEV, + "PM: %s: Unable to find device node for mpu\n", + __func__); } sram_pool = of_gen_pool_get(np, "pm-sram", 0); - if (!sram_pool) { - dev_err(pm33xx_dev, "PM: %s: Unable to get sram pool for ocmcram\n", - __func__); - ret = -ENODEV; - goto mpu_put_node; - } + if (!sram_pool) + return dev_err_probe(pm33xx_dev, -ENODEV, + "PM: %s: Unable to get sram pool for ocmcram\n", + __func__); sram_pool_data = of_gen_pool_get(np, "pm-sram", 1); - if (!sram_pool_data) { - dev_err(pm33xx_dev, "PM: %s: Unable to get sram data pool for ocmcram\n", - __func__); - ret = -ENODEV; - goto mpu_put_node; - } + if (!sram_pool_data) + return dev_err_probe(pm33xx_dev, -ENODEV, + "PM: %s: Unable to get sram data pool for ocmcram\n", + __func__); ocmcram_location = gen_pool_alloc(sram_pool, *pm_sram->do_wfi_sz); - if (!ocmcram_location) { - dev_err(pm33xx_dev, "PM: %s: Unable to allocate memory from ocmcram\n", - __func__); - ret = -ENOMEM; - goto mpu_put_node; - } + if (!ocmcram_location) + return dev_err_probe(pm33xx_dev, -ENOMEM, + "PM: %s: Unable to allocate memory from ocmcram\n", + __func__); ocmcram_location_data = gen_pool_alloc(sram_pool_data, sizeof(struct emif_regs_amx3)); if (!ocmcram_location_data) { - dev_err(pm33xx_dev, "PM: Unable to allocate memory from ocmcram\n"); gen_pool_free(sram_pool, ocmcram_location, *pm_sram->do_wfi_sz); - ret = -ENOMEM; + return dev_err_probe(pm33xx_dev, -ENOMEM, + "PM: Unable to allocate memory from ocmcram\n"); } -mpu_put_node: - of_node_put(np); - return ret; + return 0; } static int am33xx_pm_rtc_setup(void) |