From 8c47b8253f4cfd8b4dbda8c9adc1d0b1d7f3009d Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Fri, 10 Mar 2023 08:47:04 -0600 Subject: [PATCH] firmware: Use of_property_present() for testing DT property presence It is preferred to use typed property access functions (i.e. of_property_read_ functions) rather than low-level of_get_property/of_find_property functions for reading properties. As part of this, convert of_get_property/of_find_property calls to the recently added of_property_present() helper when we just want to test for presence of a property and nothing more. Signed-off-by: Rob Herring Acked-by: Sudeep Holla Signed-off-by: Thierry Reding --- drivers/firmware/arm_scmi/optee.c | 2 +- drivers/firmware/tegra/bpmp.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/firmware/arm_scmi/optee.c b/drivers/firmware/arm_scmi/optee.c index 9297203..e123de6 100644 --- a/drivers/firmware/arm_scmi/optee.c +++ b/drivers/firmware/arm_scmi/optee.c @@ -403,7 +403,7 @@ out: static int setup_shmem(struct device *dev, struct scmi_chan_info *cinfo, struct scmi_optee_channel *channel) { - if (of_find_property(cinfo->dev->of_node, "shmem", NULL)) + if (of_property_present(cinfo->dev->of_node, "shmem")) return setup_static_shmem(dev, cinfo, channel); else return setup_dynamic_shmem(dev, channel); diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index 042c204..8b5e5da 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -764,19 +764,19 @@ static int tegra_bpmp_probe(struct platform_device *pdev) if (err < 0) goto free_mrq; - if (of_find_property(pdev->dev.of_node, "#clock-cells", NULL)) { + if (of_property_present(pdev->dev.of_node, "#clock-cells")) { err = tegra_bpmp_init_clocks(bpmp); if (err < 0) goto free_mrq; } - if (of_find_property(pdev->dev.of_node, "#reset-cells", NULL)) { + if (of_property_present(pdev->dev.of_node, "#reset-cells")) { err = tegra_bpmp_init_resets(bpmp); if (err < 0) goto free_mrq; } - if (of_find_property(pdev->dev.of_node, "#power-domain-cells", NULL)) { + if (of_property_present(pdev->dev.of_node, "#power-domain-cells")) { err = tegra_bpmp_init_powergates(bpmp); if (err < 0) goto free_mrq; -- 2.7.4