[PATCH 4/7] Update axon_msi to use dcr_host_t.base
Benjamin Herrenschmidt
benh at kernel.crashing.org
Tue Oct 2 15:14:15 EST 2007
On Mon, 2007-09-17 at 16:05 +1000, Michael Ellerman wrote:
> Now that dcr_host_t contains the base address, we can use that in the
> axon_msi code, rather than storing it separately.
>
> Signed-off-by: Michael Ellerman <michael at ellerman.id.au>
Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> ---
> arch/powerpc/platforms/cell/axon_msi.c | 13 ++++++-------
> 1 files changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
> index 74407af..23e039a 100644
> --- a/arch/powerpc/platforms/cell/axon_msi.c
> +++ b/arch/powerpc/platforms/cell/axon_msi.c
> @@ -69,7 +69,6 @@ struct axon_msic {
> dcr_host_t dcr_host;
> struct list_head list;
> u32 read_offset;
> - u32 dcr_base;
> };
>
> static LIST_HEAD(axon_msic_list);
> @@ -78,12 +77,12 @@ static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val)
> {
> pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n);
>
> - dcr_write(msic->dcr_host, msic->dcr_base + dcr_n, val);
> + dcr_write(msic->dcr_host, msic->dcr_host.base + dcr_n, val);
> }
>
> static u32 msic_dcr_read(struct axon_msic *msic, unsigned int dcr_n)
> {
> - return dcr_read(msic->dcr_host, msic->dcr_base + dcr_n);
> + return dcr_read(msic->dcr_host, msic->dcr_host.base + dcr_n);
> }
>
> static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
> @@ -324,7 +323,7 @@ static int axon_msi_setup_one(struct device_node *dn)
> struct page *page;
> struct axon_msic *msic;
> unsigned int virq;
> - int dcr_len;
> + int dcr_base, dcr_len;
>
> pr_debug("axon_msi: setting up dn %s\n", dn->full_name);
>
> @@ -335,17 +334,17 @@ static int axon_msi_setup_one(struct device_node *dn)
> goto out;
> }
>
> - msic->dcr_base = dcr_resource_start(dn, 0);
> + dcr_base = dcr_resource_start(dn, 0);
> dcr_len = dcr_resource_len(dn, 0);
>
> - if (msic->dcr_base == 0 || dcr_len == 0) {
> + if (dcr_base == 0 || dcr_len == 0) {
> printk(KERN_ERR
> "axon_msi: couldn't parse dcr properties on %s\n",
> dn->full_name);
> goto out;
> }
>
> - msic->dcr_host = dcr_map(dn, msic->dcr_base, dcr_len);
> + msic->dcr_host = dcr_map(dn, dcr_base, dcr_len);
> if (!DCR_MAP_OK(msic->dcr_host)) {
> printk(KERN_ERR "axon_msi: dcr_map failed for %s\n",
> dn->full_name);
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