From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: <vkoul@kernel.org>, <robh+dt@kernel.org>, <nm@ti.com>,
<ssantosh@kernel.org>
Cc: <dan.j.williams@intel.com>, <dmaengine@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<grygorii.strashko@ti.com>, <lokeshvutla@ti.com>,
<t-kristo@ti.com>, <tony@atomide.com>, <j-keerthy@ti.com>,
<vigneshr@ti.com>, <frowand.list@gmail.com>
Subject: [PATCH v8 16/18] dmaengine: ti: k3-udma: Allow the driver to be built as module
Date: Mon, 23 Dec 2019 13:04:56 +0200 [thread overview]
Message-ID: <20191223110458.30766-17-peter.ujfalusi@ti.com> (raw)
In-Reply-To: <20191223110458.30766-1-peter.ujfalusi@ti.com>
The ring accelerator driver can be built as module since all depending
functions are exported.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
---
drivers/dma/ti/Kconfig | 2 +-
drivers/dma/ti/k3-udma.c | 29 +++++++++++++++++++++++++++--
2 files changed, 28 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/ti/Kconfig b/drivers/dma/ti/Kconfig
index f76e06651f80..beb000be7d1b 100644
--- a/drivers/dma/ti/Kconfig
+++ b/drivers/dma/ti/Kconfig
@@ -35,7 +35,7 @@ config DMA_OMAP
DMA engine is found on OMAP and DRA7xx parts.
config TI_K3_UDMA
- bool "Texas Instruments UDMA support"
+ tristate "Texas Instruments UDMA support"
depends on ARCH_K3 || COMPILE_TEST
depends on TI_SCI_PROTOCOL
depends on TI_SCI_INTA_IRQCHIP
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index c97c5f6f1e29..dbed2205065a 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/list.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -3088,6 +3089,7 @@ static const struct of_device_id udma_of_match[] = {
},
{ /* Sentinel */ },
};
+MODULE_DEVICE_TABLE(of, udma_of_match);
static int udma_get_mmrs(struct platform_device *pdev, struct udma_dev *ud)
{
@@ -3426,15 +3428,38 @@ static int udma_probe(struct platform_device *pdev)
return ret;
}
+static int udma_remove(struct platform_device *pdev)
+{
+ struct udma_dev *ud = platform_get_drvdata(pdev);
+ struct udma_chan *uc;
+
+ list_for_each_entry(uc, &ud->ddev.channels, vc.chan.device_node)
+ tasklet_kill(&uc->vc.task);
+
+ of_dma_controller_free(pdev->dev.of_node);
+ dma_async_device_unregister(&ud->ddev);
+
+ /* Make sure that we did proper cleanup */
+ cancel_work_sync(&ud->purge_work);
+ udma_purge_desc_work(&ud->purge_work);
+
+ return 0;
+}
+
static struct platform_driver udma_driver = {
.driver = {
.name = "ti-udma",
.of_match_table = udma_of_match,
- .suppress_bind_attrs = true,
},
.probe = udma_probe,
+ .remove = udma_remove,
};
-builtin_platform_driver(udma_driver);
+module_platform_driver(udma_driver);
/* Private interfaces to UDMA */
#include "k3-udma-private.c"
+
+MODULE_ALIAS("platform:ti-udma");
+MODULE_DESCRIPTION("TI K3 DMA driver for CPPI 5.0 compliant devices");
+MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
+MODULE_LICENSE("GPL v2");
--
Peter
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
next prev parent reply other threads:[~2019-12-23 11:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-23 11:04 [PATCH v8 00/18] dmaengine/soc: Add Texas Instruments UDMA support Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 01/18] bindings: soc: ti: add documentation for k3 ringacc Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 02/18] soc: ti: k3: add navss ringacc driver Peter Ujfalusi
2019-12-23 11:38 ` Peter Ujfalusi
2020-01-13 21:28 ` santosh.shilimkar
2020-01-14 6:58 ` Peter Ujfalusi
2020-01-14 8:11 ` Sekhar Nori
2020-01-14 18:06 ` santosh.shilimkar
2020-01-15 9:44 ` Peter Ujfalusi
2020-01-15 12:24 ` Vinod Koul
2020-01-15 18:26 ` santosh.shilimkar
2019-12-23 11:04 ` [PATCH v8 03/18] dmaengine: doc: Add sections for per descriptor metadata support Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 04/18] dmaengine: Add metadata_ops for dma_async_tx_descriptor Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 05/18] dmaengine: Add support for reporting DMA cached data amount Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 06/18] dmaengine: Add helper function to convert direction value to text Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 07/18] dmaengine: ti: Add cppi5 header for K3 NAVSS/UDMA Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 08/18] dmaengine: ti: k3 PSI-L remote endpoint configuration Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 09/18] dt-bindings: dma: ti: Add document for K3 UDMA Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 10/18] dmaengine: ti: New driver " Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 11/18] dmaengine: ti: k3-udma: Add glue layer for non DMAengine users Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 12/18] firmware: ti_sci: rm: Add support for tx_tdtype parameter for tx channel Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 13/18] dmaengine: ti: k3-udma: Wait for peer teardown completion if supported Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 14/18] of: irq: Export of_msi_get_domain Peter Ujfalusi
2019-12-23 11:36 ` Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 15/18] firmware: ti_sci: Export devm_ti_sci_get_of_resource for modules Peter Ujfalusi
2019-12-23 11:04 ` Peter Ujfalusi [this message]
2019-12-23 11:04 ` [PATCH v8 17/18] dmaengine: ti: k3-udma-glue: Allow the driver to be built as module Peter Ujfalusi
2019-12-23 11:04 ` [PATCH v8 18/18] soc: ti: k3-ringacc: " Peter Ujfalusi
2020-01-21 7:41 ` [PATCH v8 00/18] dmaengine/soc: Add Texas Instruments UDMA support Vinod Koul
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