[PATCH 1/2] [POWERPC] Add PPC4xx L2-cache support (440GX & 460EX/GT)
Stephen Rothwell
sfr at canb.auug.org.au
Thu Mar 20 10:27:10 EST 2008
Hi Stefan,
Just a few trivial things ...
On Tue, 18 Mar 2008 14:36:29 +0100 Stefan Roese <sr at denx.de> wrote:
>
> +++ b/arch/powerpc/sysdev/ppc4xx_soc.c
>
> +static int __init ppc4xx_l2c_probe(void)
> +{
> + struct device_node *np = NULL;
This initialisation is unneeded.
> + /* Map DCRs */
> + dcrreg = of_get_property(np, "dcr-reg", &len);
> + if (!dcrreg || (len != 4*sizeof(u32))) {
I prefer spaces around binary operators.
> + printk(KERN_ERR "%s: Can't get DCR register base !",
> + np->full_name);
> + return -ENODEV;
Since of_find_compatible_node() gets a reference to np, you need an
of_node_put(np) before you return.
> + if (irq == NO_IRQ) {
> + printk(KERN_ERR "irq_of_parse_and_map failed\n");
> + return -ENODEV;
And again.
> + if (request_irq(irq, l2c_error_handler, IRQF_DISABLED, "L2C", 0) < 0) {
> + printk(KERN_ERR "Cannot install L2C error handler"
> + ", cache is not enabled\n");
> + return -ENODEV;
And again.
> + return 0;
And again.
--
Cheers,
Stephen Rothwell sfr at canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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