[PATCH 03/10] remoteproc: imx: use devm_ioremap
From: Peng Fan <peng.fan@nxp.com>
Date: 2020-07-24 07:43:49
Also in:
linux-devicetree, linux-remoteproc, lkml
Subsystem:
remote processor (remoteproc) subsystem, the rest · Maintainers:
Bjorn Andersson, Mathieu Poirier, Linus Torvalds
We might need to map an region multiple times, becaue the region might be shared between remote processors, such i.MX8QM with dual M4 cores. So use devm_ioremap, not devm_ioremap_resource. Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> --- drivers/remoteproc/imx_rproc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 3b3904ebac75..82594a800a1b 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c@@ -296,9 +296,10 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, if (b >= IMX7D_RPROC_MEM_MAX) break; - priv->mem[b].cpu_addr = devm_ioremap_resource(&pdev->dev, &res); + /* Not use resource version, because we might share region*/ + priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start, resource_size(&res)); if (IS_ERR(priv->mem[b].cpu_addr)) { - dev_err(dev, "devm_ioremap_resource failed\n"); + dev_err(dev, "devm_ioremap %pR failed\n", &res); err = PTR_ERR(priv->mem[b].cpu_addr); return err; }
--
2.16.4
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