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authorMarek Vasut <marex@denx.de>2015-07-26 11:07:19 +0200
committerMarek Vasut <marex@denx.de>2015-08-08 14:14:14 +0200
commitf936f94f8070133fbf8195e5349d7eeed9dd70ec (patch)
tree76513c2d887ad3a3f8f3b0ee85981f114deebf80 /drivers
parentecd2334a1759fe671396596a2958dbc1741e1910 (diff)
ddr: altera: Minor clean up of set_jump_as_return()
Add kerneldoc and do a minor comment cleanup. Signed-off-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ddr/altera/sequencer.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c
index 35ecc67560..8c56f02c16 100644
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -732,14 +732,18 @@ scc_mgr_apply_group_all_out_delay_add_all_ranks(const u32 write_group,
}
}
-/* optimization used to recover some slots in ddr3 inst_rom */
-/* could be applied to other protocols if we wanted to */
+/**
+ * set_jump_as_return() - Return instruction optimization
+ *
+ * Optimization used to recover some slots in ddr3 inst_rom could be
+ * applied to other protocols if we wanted to
+ */
static void set_jump_as_return(void)
{
/*
- * to save space, we replace return with jump to special shared
+ * To save space, we replace return with jump to special shared
* RETURN instruction so we set the counter to large value so that
- * we always jump
+ * we always jump.
*/
writel(0xff, &sdr_rw_load_mgr_regs->load_cntr0);
writel(RW_MGR_RETURN, &sdr_rw_load_jump_mgr_regs->load_jump_add0);