openwrt/target/linux/layerscape/patches-5.4/804-crypto-0031-crypto-caam-add-caam_dma-device-on-caam_probe.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

68 lines
1.9 KiB
Diff

From 0547020c73ab7a457f3e1601ef822b61f0b963b9 Mon Sep 17 00:00:00 2001
From: Radu Alexe <radu.alexe@nxp.com>
Date: Wed, 8 Nov 2017 17:22:12 +0200
Subject: [PATCH] crypto: caam - add caam_dma device on caam_probe
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Dynamically create a platform device for the caam_dma driver
at caam_probe() time.
Signed-off-by: Radu Alexe <radu.alexe@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Use devres for caam_dma platform device unregistering.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
---
drivers/crypto/caam/ctrl.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -566,12 +566,22 @@ static void caam_remove_debugfs(void *ro
}
#endif
+static void caam_dma_dev_unregister(void *data)
+{
+ platform_device_unregister(data);
+}
+
/* Probe routine for CAAM top (controller) level */
static int caam_probe(struct platform_device *pdev)
{
int ret, ring, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN;
u64 caam_id;
const struct soc_device_attribute *imx_soc_match;
+ static struct platform_device_info caam_dma_pdev_info = {
+ .name = "caam-dma",
+ .id = PLATFORM_DEVID_NONE
+ };
+ static struct platform_device *caam_dma_dev;
struct device *dev;
struct device_node *nprop, *np;
struct resource res_regs;
@@ -849,6 +859,20 @@ set_dma_mask:
return -ENOMEM;
}
+ caam_dma_pdev_info.parent = dev;
+ caam_dma_pdev_info.dma_mask = dma_get_mask(dev);
+ caam_dma_dev = platform_device_register_full(&caam_dma_pdev_info);
+ if (IS_ERR(caam_dma_dev)) {
+ dev_err(dev, "Unable to create and register caam-dma dev\n");
+ return PTR_ERR(caam_dma_dev);
+ } else {
+ set_dma_ops(&caam_dma_dev->dev, get_dma_ops(dev));
+ ret = devm_add_action_or_reset(dev, caam_dma_dev_unregister,
+ caam_dma_dev);
+ if (ret)
+ return ret;
+ }
+
if (!reg_access)
goto report_live;