From: Jagan Teki <jagan@amarulasolutions.com>
To: Andrzej Hajda <andrzej.hajda@intel.com>,
Inki Dae <inki.dae@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Joonyoung Shim <jy0922.shim@samsung.com>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Frieder Schrempf <frieder.schrempf@kontron.de>,
Fancy Fang <chen.fang@nxp.com>,
Tim Harvey <tharvey@gateworks.com>,
Michael Nazzareno Trimarchi <michael@amarulasolutions.com>,
Adam Ford <aford173@gmail.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Robert Foss <robert.foss@linaro.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
dri-devel@lists.freedesktop.org,
NXP Linux Team <linux-imx@nxp.com>,
linux-amarula <linux-amarula@amarulasolutions.com>,
linux-arm-kernel@lists.infradead.org,
Jagan Teki <jagan@amarulasolutions.com>
Subject: [PATCH 06/11] drm: bridge: samsung-dsim: Add module init, exit
Date: Fri, 8 Apr 2022 21:51:03 +0530 [thread overview]
Message-ID: <20220408162108.184583-7-jagan@amarulasolutions.com> (raw)
In-Reply-To: <20220408162108.184583-1-jagan@amarulasolutions.com>
Add module init and exit functions for the bridge to register
and unregister dsi_driver.
Exynos drm driver stack will register the platform_driver separately
in the common of it's exynos_drm_drv.c including dsi_driver.
Register again would return -EBUSY, so return 0 for such cases as
dsi_driver is already registered.
v1:
* none
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
drivers/gpu/drm/bridge/samsung-dsim.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 423d654e8ffd..1fe4b8e737a4 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -1696,6 +1696,28 @@ struct platform_driver dsi_driver = {
},
};
+static int __init samsung_mipi_dsim_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&dsi_driver);
+
+ /**
+ * Exynos drm driver stack will register the platform_driver
+ * separately in the common of it's exynos_drm_drv.c including
+ * dsi_driver. Register again would return -EBUSY, so return 0
+ * for such cases as dsi_driver is already registered.
+ */
+ return ret == -EBUSY ? 0 : ret;
+}
+module_init(samsung_mipi_dsim_init);
+
+static void __exit samsung_mipi_dsim_exit(void)
+{
+ platform_driver_unregister(&dsi_driver);
+}
+module_exit(samsung_mipi_dsim_exit);
+
MODULE_AUTHOR("Jagan Teki <jagan@amarulasolutions.com>");
MODULE_DESCRIPTION("Samsung MIPI DSIM controller bridge");
MODULE_LICENSE("GPL v2");
--
2.25.1
next prev parent reply other threads:[~2022-04-08 16:22 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220408162213eucas1p158d7c7ee27006a61d4af95d3c72c58e3@eucas1p1.samsung.com>
2022-04-08 16:20 ` [PATCH 00/11] drm: bridge: Add Samsung MIPI DSIM bridge Jagan Teki
2022-04-08 16:20 ` [PATCH 01/11] drm: bridge: Add Samsung DSIM bridge driver Jagan Teki
2022-04-12 9:45 ` Marek Szyprowski
2022-05-04 9:16 ` Jagan Teki
2022-05-04 9:44 ` Marek Szyprowski
2022-04-08 16:20 ` [PATCH 02/11] drm: bridge: samsung-dsim: Handle platform init via driver_data Jagan Teki
2022-04-12 9:55 ` Marek Szyprowski
2022-04-08 16:21 ` [PATCH 03/11] drm: bridge: samsung-dsim: Mark PHY as optional Jagan Teki
2022-04-08 16:21 ` [PATCH 04/11] drm: bridge: samsung-dsim: Add DSI init in bridge pre_enable() Jagan Teki
2022-04-11 12:23 ` Adam Ford
2022-04-08 16:21 ` [PATCH 05/11] drm: bridge: samsung-dsim: Fix PLL_P (PMS_P) offset Jagan Teki
2022-04-08 16:21 ` Jagan Teki [this message]
2022-04-08 16:21 ` [PATCH 07/11] drm: bridge: samsung-dsim: Add atomic_check Jagan Teki
2022-04-08 16:21 ` [PATCH 08/11] drm: bridge: samsung-dsim: Add atomic_get_input_bus_fmts Jagan Teki
2022-04-08 16:21 ` [PATCH 09/11] drm: bridge: samsung-dsim: Add input_bus_flags Jagan Teki
2022-04-08 16:21 ` [PATCH 10/11] dt-bindings: display: exynos: dsim: Add NXP i.MX8MM support Jagan Teki
2022-04-10 18:12 ` Laurent Pinchart
2022-04-29 9:40 ` Jagan Teki
2022-04-08 16:21 ` [PATCH 11/11] drm: bridge: samsung-dsim: Add " Jagan Teki
2022-04-10 18:06 ` Laurent Pinchart
2022-04-09 0:25 ` [PATCH 00/11] drm: bridge: Add Samsung MIPI DSIM bridge Tim Harvey
2022-04-11 13:11 ` (EXT) " Alexander Stein
2022-04-11 13:56 ` Marek Szyprowski
2022-04-11 14:39 ` Adam Ford
2022-04-11 15:29 ` Adam Ford
2022-04-11 16:25 ` Marek Szyprowski
2022-04-11 20:26 ` Adam Ford
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220408162108.184583-7-jagan@amarulasolutions.com \
--to=jagan@amarulasolutions.com \
--cc=Laurent.pinchart@ideasonboard.com \
--cc=aford173@gmail.com \
--cc=andrzej.hajda@intel.com \
--cc=chen.fang@nxp.com \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=frieder.schrempf@kontron.de \
--cc=inki.dae@samsung.com \
--cc=jy0922.shim@samsung.com \
--cc=kyungmin.park@samsung.com \
--cc=linux-amarula@amarulasolutions.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-imx@nxp.com \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=michael@amarulasolutions.com \
--cc=narmstrong@baylibre.com \
--cc=robert.foss@linaro.org \
--cc=robh+dt@kernel.org \
--cc=sw0312.kim@samsung.com \
--cc=tharvey@gateworks.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).