Re: [PATCH] Input: ambakmi - Use managed interfaces
From: Russell King - ARM Linux
Date: Sun Jul 13 2014 - 13:53:30 EST
On Sun, Jul 13, 2014 at 11:00:51PM +0530, Himangi Saraogi wrote:
> @@ -23,6 +23,7 @@
> #include <linux/clk.h>
>
> #include <asm/io.h>
> +#include <linux/io.h>
NAK - please include either linux/io.h _or_ asm/io.h but not both.
> @@ -112,19 +113,10 @@ static int amba_kmi_probe(struct amba_device *dev,
> {
> struct amba_kmi_port *kmi;
> struct serio *io;
> - int ret;
> -
> - ret = amba_request_regions(dev, NULL);
> - if (ret)
> - return ret;
I'm /really/ not happy about that going.
> -
> - kmi = kzalloc(sizeof(struct amba_kmi_port), GFP_KERNEL);
> - io = kzalloc(sizeof(struct serio), GFP_KERNEL);
> - if (!kmi || !io) {
> - ret = -ENOMEM;
> - goto out;
> - }
>
> + io = devm_kzalloc(&dev->dev, sizeof(struct serio), GFP_KERNEL);
> + if (!io)
> + return -ENOMEM;
>
> io->id.type = SERIO_8042;
> io->write = amba_kmi_write;
> @@ -135,32 +127,20 @@ static int amba_kmi_probe(struct amba_device *dev,
> io->port_data = kmi;
> io->dev.parent = &dev->dev;
>
> + kmi->base = devm_ioremap_resource(&dev->dev, &dev->res);
> + if (IS_ERR(kmi->base))
> + return PTR_ERR(kmi->base);
NAK. Look carefully through the above changes to work out why. Please,
if you don't understand what you're doing, or don't even bother with a
build test of the code you've modified, don't even modify it in the
first place.
--
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.
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