Commit 2843e7f7 authored by Michael Ellerman's avatar Michael Ellerman Committed by Jeff Garzik
Browse files

Remove msic_dcr_read() in axon_msi.c



msic_dcr_read() doesn't really do anything useful, just replace it with
direct calls to dcr_read().
Signed-off-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent cdbd3865
......@@ -80,18 +80,13 @@ static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val)
dcr_write(msic->dcr_host, dcr_n, val);
}
static u32 msic_dcr_read(struct axon_msic *msic, unsigned int dcr_n)
{
return dcr_read(msic->dcr_host, dcr_n);
}
static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
{
struct axon_msic *msic = get_irq_data(irq);
u32 write_offset, msi;
int idx;
write_offset = msic_dcr_read(msic, MSIC_WRITE_OFFSET_REG);
write_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG);
pr_debug("axon_msi: original write_offset 0x%x\n", write_offset);
/* write_offset doesn't wrap properly, so we have to mask it */
......@@ -306,7 +301,7 @@ static int axon_msi_notify_reboot(struct notifier_block *nb,
list_for_each_entry(msic, &axon_msic_list, list) {
pr_debug("axon_msi: disabling %s\n",
msic->irq_host->of_node->full_name);
tmp = msic_dcr_read(msic, MSIC_CTRL_REG);
tmp = dcr_read(msic->dcr_host, MSIC_CTRL_REG);
tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE;
msic_dcr_write(msic, MSIC_CTRL_REG, tmp);
}
......
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