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ddr: altera: Minor clean up of set_jump_as_return()

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Add kerneldoc and do a minor comment cleanup.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2015-07-26 11:07:19 +02:00
parent ecd2334a17
commit f936f94f80
1 changed files with 8 additions and 4 deletions
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12
drivers/ddr/altera/sequencer.c
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@ -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);