Hauke,
Minor nit:
On Mon, Jun 6, 2011 at 08:07, Hauke Mehrtens <hauke@xxxxxxxxxx> wrote:
> This patch adds support for using bcma on an embedded bus. An embedded
> system like the bcm4716 could register this bus and it searches for the
> bcma cores then.
>
> Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
> ---
> diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
> index 70b39f7..9229615 100644
> --- a/drivers/bcma/scan.c
> +++ b/drivers/bcma/scan.c
> @@ -219,9 +219,34 @@ int bcma_bus_scan(struct bcma_bus *bus)
> bus->chipinfo.id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT;
> bus->chipinfo.rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT;
> bus->chipinfo.pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT;
> + bus->nr_cores = (tmp & BCMA_CC_ID_NRCORES) >> BCMA_CC_ID_NRCORES_SHIFT;
> +
> + /* If we are an embedded device we now know the number of avaliable
> + * core and ioremap the correct space.
> + */
> + if (bus->hosttype == BCMA_HOSTTYPE_EMBEDDED) {
> + iounmap(bus->mmio);
> + mmio = ioremap(BCMA_ADDR_BASE, BCMA_CORE_SIZE * bus->nr_cores);
> + if (!mmio)
> + return -ENOMEM;
> + bus->mmio = mmio;
> +
> + mmio = ioremap(BCMA_WRAP_BASE, BCMA_CORE_SIZE * bus->nr_cores);
> + if (!mmio)
> + return -ENOMEM;
> + bus->host_embedded = mmio;
> + }
> + /* reset it to 0 as we use it for counting */
> + bus->nr_cores = 0;
Would it make sense to use a local variable for nr_cores, and only use
it within the BCMA_HOSTTYPE_EMBEDDED if statement, rather than
re-using bus->nr_cores and having to reset it?
Thanks,
--
Julian Calaby
Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/
.Plan: http://sites.google.com/site/juliancalaby/
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