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authorMiquel Raynal <miquel.raynal@bootlin.com>2020-03-25 22:10:39 +0100
committerMiquel Raynal <miquel.raynal@bootlin.com>2020-03-25 22:10:39 +0100
commit176538d9a4a221267704274126831f1d36c068fa (patch)
treee307b66b1f727874fc4eec5f7485bc2179a8f21f /drivers/mtd
parentMAINTAINERS: Add the IRC channel to the MTD related subsystems (diff)
parentmtd: hyperbus: move direct mapping setup to AM654 HBMC driver (diff)
downloadwireguard-linux-176538d9a4a221267704274126831f1d36c068fa.tar.xz
wireguard-linux-176538d9a4a221267704274126831f1d36c068fa.zip
Merge tag 'cfi/for-5.7' into mtd/next
HyperBus changes * Print err msg when compatible is wrong or missing * Move mapping of direct access window from core to individual drivers
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/hyperbus/hbmc-am654.c12
-rw-r--r--drivers/mtd/hyperbus/hyperbus-core.c15
2 files changed, 15 insertions, 12 deletions
diff --git a/drivers/mtd/hyperbus/hbmc-am654.c b/drivers/mtd/hyperbus/hbmc-am654.c
index 08d543b124cd..f350a0809f88 100644
--- a/drivers/mtd/hyperbus/hbmc-am654.c
+++ b/drivers/mtd/hyperbus/hbmc-am654.c
@@ -11,6 +11,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mux/consumer.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/types.h>
@@ -57,8 +58,10 @@ static const struct hyperbus_ops am654_hbmc_ops = {
static int am654_hbmc_probe(struct platform_device *pdev)
{
+ struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
struct am654_hbmc_priv *priv;
+ struct resource res;
int ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -67,6 +70,10 @@ static int am654_hbmc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret)
+ return ret;
+
if (of_property_read_bool(dev->of_node, "mux-controls")) {
struct mux_control *control = devm_mux_control_get(dev, NULL);
@@ -88,6 +95,11 @@ static int am654_hbmc_probe(struct platform_device *pdev)
goto disable_pm;
}
+ priv->hbdev.map.size = resource_size(&res);
+ priv->hbdev.map.virt = devm_ioremap_resource(dev, &res);
+ if (IS_ERR(priv->hbdev.map.virt))
+ return PTR_ERR(priv->hbdev.map.virt);
+
priv->ctlr.dev = dev;
priv->ctlr.ops = &am654_hbmc_ops;
priv->hbdev.ctlr = &priv->ctlr;
diff --git a/drivers/mtd/hyperbus/hyperbus-core.c b/drivers/mtd/hyperbus/hyperbus-core.c
index 6af9ea34117d..32685e8dd278 100644
--- a/drivers/mtd/hyperbus/hyperbus-core.c
+++ b/drivers/mtd/hyperbus/hyperbus-core.c
@@ -10,7 +10,6 @@
#include <linux/mtd/map.h>
#include <linux/mtd/mtd.h>
#include <linux/of.h>
-#include <linux/of_address.h>
#include <linux/types.h>
static struct hyperbus_device *map_to_hbdev(struct map_info *map)
@@ -62,7 +61,6 @@ int hyperbus_register_device(struct hyperbus_device *hbdev)
struct hyperbus_ctlr *ctlr;
struct device_node *np;
struct map_info *map;
- struct resource res;
struct device *dev;
int ret;
@@ -73,22 +71,15 @@ int hyperbus_register_device(struct hyperbus_device *hbdev)
np = hbdev->np;
ctlr = hbdev->ctlr;
- if (!of_device_is_compatible(np, "cypress,hyperflash"))
+ if (!of_device_is_compatible(np, "cypress,hyperflash")) {
+ dev_err(ctlr->dev, "\"cypress,hyperflash\" compatible missing\n");
return -ENODEV;
+ }
hbdev->memtype = HYPERFLASH;
- ret = of_address_to_resource(np, 0, &res);
- if (ret)
- return ret;
-
dev = ctlr->dev;
map = &hbdev->map;
- map->size = resource_size(&res);
- map->virt = devm_ioremap_resource(dev, &res);
- if (IS_ERR(map->virt))
- return PTR_ERR(map->virt);
-
map->name = dev_name(dev);
map->bankwidth = 2;
map->device_node = np;