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From: Vijay Khemka <vijaykhemka@fb.com>
To: Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-aspeed@lists.ozlabs.org>, <linux-kernel@vger.kernel.org>
Cc: <vijaykhemka@fb.com>, <sdasari@fb.com>
Subject: [PATCH v2] misc: aspeed-lpc-ctrl: Correct return values
Date: Fri, 3 May 2019 11:13:36 -0700	[thread overview]
Message-ID: <20190503181336.579877-1-vijaykhemka@fb.com> (raw)

Corrected some of return values with appropriate meanings and reported
relevant messages as debug information.

Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
---
 drivers/misc/aspeed-lpc-ctrl.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/aspeed-lpc-ctrl.c b/drivers/misc/aspeed-lpc-ctrl.c
index 332210e06e98..aca13779764a 100644
--- a/drivers/misc/aspeed-lpc-ctrl.c
+++ b/drivers/misc/aspeed-lpc-ctrl.c
@@ -93,8 +93,8 @@ static long aspeed_lpc_ctrl_ioctl(struct file *file, unsigned int cmd,
 
 		/* If memory-region is not described in device tree */
 		if (!lpc_ctrl->mem_size) {
-			dev_err(dev, "Didn't find reserved memory\n");
-			return -EINVAL;
+			dev_dbg(dev, "Didn't find reserved memory\n");
+			return -ENXIO;
 		}
 
 		map.size = lpc_ctrl->mem_size;
@@ -134,16 +134,16 @@ static long aspeed_lpc_ctrl_ioctl(struct file *file, unsigned int cmd,
 
 		if (map.window_type == ASPEED_LPC_CTRL_WINDOW_FLASH) {
 			if (!lpc_ctrl->pnor_size) {
-				dev_err(dev, "Didn't find host pnor flash\n");
-				return -EINVAL;
+				dev_dbg(dev, "Didn't find host pnor flash\n");
+				return -ENXIO;
 			}
 			addr = lpc_ctrl->pnor_base;
 			size = lpc_ctrl->pnor_size;
 		} else if (map.window_type == ASPEED_LPC_CTRL_WINDOW_MEMORY) {
 			/* If memory-region is not described in device tree */
 			if (!lpc_ctrl->mem_size) {
-				dev_err(dev, "Didn't find reserved memory\n");
-				return -EINVAL;
+				dev_dbg(dev, "Didn't find reserved memory\n");
+				return -ENXIO;
 			}
 			addr = lpc_ctrl->mem_base;
 			size = lpc_ctrl->mem_size;
@@ -239,7 +239,7 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev)
 		of_node_put(node);
 		if (rc) {
 			dev_err(dev, "Couldn't address to resource for reserved memory\n");
-			return -ENOMEM;
+			return -ENXIO;
 		}
 
 		lpc_ctrl->mem_size = resource_size(&resm);
-- 
2.17.1


             reply	other threads:[~2019-05-03 18:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-03 18:13 Vijay Khemka [this message]
2019-05-06  4:24 ` [PATCH v2] misc: aspeed-lpc-ctrl: Correct return values Andrew Jeffery
2019-05-06 18:04   ` Vijay Khemka
2019-05-24 15:59 ` Greg Kroah-Hartman

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