From: Sudeep Holla <sudeep.holla@arm.com> To: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Peng Fan <peng.fan@nxp.com> Cc: Sudeep Holla <sudeep.holla@arm.com>, f.fainelli@gmail.com, linux-imx@nxp.com Subject: [PATCH 4/4] firmware: arm_scmi: Drop checking for shmem property in parent node Date: Fri, 27 Mar 2020 16:36:54 +0000 [thread overview] Message-ID: <20200327163654.13389-5-sudeep.holla@arm.com> (raw) In-Reply-To: <20200327163654.13389-1-sudeep.holla@arm.com> The scmi protocol core driver checks for the channel availability before evaluating the shmem property. If the individual protocols don't have separate channel assigned to them, the channel alloted for the BASE protocol is reused automatically. Therefore there is no need to check for the shmem property in the parent node if it is absent in the child protocol node. Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- drivers/firmware/arm_scmi/smc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index 5929c668dc1d..833e793b5391 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -60,8 +60,6 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, return -ENOMEM; np = of_parse_phandle(cdev->of_node, "shmem", 0); - if (!np) - np = of_parse_phandle(dev->of_node, "shmem", 0); ret = of_address_to_resource(np, 0, &res); of_node_put(np); if (ret) { -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com> To: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Peng Fan <peng.fan@nxp.com> Cc: f.fainelli@gmail.com, linux-imx@nxp.com, Sudeep Holla <sudeep.holla@arm.com> Subject: [PATCH 4/4] firmware: arm_scmi: Drop checking for shmem property in parent node Date: Fri, 27 Mar 2020 16:36:54 +0000 [thread overview] Message-ID: <20200327163654.13389-5-sudeep.holla@arm.com> (raw) In-Reply-To: <20200327163654.13389-1-sudeep.holla@arm.com> The scmi protocol core driver checks for the channel availability before evaluating the shmem property. If the individual protocols don't have separate channel assigned to them, the channel alloted for the BASE protocol is reused automatically. Therefore there is no need to check for the shmem property in the parent node if it is absent in the child protocol node. Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- drivers/firmware/arm_scmi/smc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index 5929c668dc1d..833e793b5391 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -60,8 +60,6 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, return -ENOMEM; np = of_parse_phandle(cdev->of_node, "shmem", 0); - if (!np) - np = of_parse_phandle(dev->of_node, "shmem", 0); ret = of_address_to_resource(np, 0, &res); of_node_put(np); if (ret) { -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-03-27 16:37 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-27 16:36 [PATCH 0/4] firmware: arm_scmi: Extend SMC/HVC to support multiple channels Sudeep Holla 2020-03-27 16:36 ` Sudeep Holla 2020-03-27 16:36 ` [PATCH 1/4] firmware: arm_scmi: Make mutex channel specific Sudeep Holla 2020-03-27 16:36 ` Sudeep Holla 2020-04-01 1:12 ` Peng Fan 2020-04-01 1:12 ` Peng Fan 2020-04-01 9:12 ` Sudeep Holla 2020-04-01 9:12 ` Sudeep Holla 2020-04-01 9:14 ` Peng Fan 2020-04-01 9:14 ` Peng Fan 2020-04-01 9:28 ` Sudeep Holla 2020-04-01 9:28 ` Sudeep Holla 2020-04-01 9:14 ` Peng Fan 2020-04-01 9:14 ` Peng Fan 2020-03-27 16:36 ` [PATCH 2/4] firmware: arm_scmi: Drop empty stub for smc_mark_txdone Sudeep Holla 2020-03-27 16:36 ` Sudeep Holla 2020-04-01 1:15 ` Peng Fan 2020-04-01 1:15 ` Peng Fan 2020-03-27 16:36 ` [PATCH 3/4] firmware: arm_scmi: Check shmem property for channel availablity Sudeep Holla 2020-03-27 16:36 ` Sudeep Holla 2020-04-01 1:15 ` Peng Fan 2020-04-01 1:15 ` Peng Fan 2020-04-01 9:05 ` Sudeep Holla 2020-04-01 9:05 ` Sudeep Holla 2020-03-27 16:36 ` Sudeep Holla [this message] 2020-03-27 16:36 ` [PATCH 4/4] firmware: arm_scmi: Drop checking for shmem property in parent node Sudeep Holla 2020-04-01 1:19 ` Peng Fan 2020-04-01 1:19 ` Peng Fan 2020-03-31 13:53 ` [PATCH 0/4] firmware: arm_scmi: Extend SMC/HVC to support multiple channels Peng Fan 2020-03-31 13:53 ` Peng Fan 2020-03-31 14:21 ` Sudeep Holla 2020-03-31 14:21 ` Sudeep Holla
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