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authorPaul Burton <paul.burton@imgtec.com>2017-08-12 19:49:31 -0700
committerRalf Baechle <ralf@linux-mips.org>2017-08-30 00:57:26 +0200
commit846e1913f5ccf3fb822a7aa166e5a840c8bdc61b (patch)
treeb4ffc6ee44b019c5515ec237b099cfa32d867ddf /arch/mips
parented7eb5aad7d4e4945fac664c9b67d0db2a8a3db8 (diff)
MIPS: CPS: Use change_*, set_* & clear_* where appropriate
Make use of the new change_*, set_* & clear_* accessor functions for CPS (CM, CPC & GIC) registers where doing so makes the code easier to read or shortens it without adversely affecting readability. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17005/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/mips-cm.c4
-rw-r--r--arch/mips/kernel/smp-cps.c6
-rw-r--r--arch/mips/mm/sc-mips.c19
3 files changed, 8 insertions, 21 deletions
diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
index 91b861ebc907..497dbb128438 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -233,9 +233,7 @@ int mips_cm_probe(void)
}
/* set default target to memory */
- base_reg &= ~CM_GCR_BASE_CMDEFTGT;
- base_reg |= CM_GCR_BASE_CMDEFTGT_MEM;
- write_gcr_base(base_reg);
+ change_gcr_base(CM_GCR_BASE_CMDEFTGT, CM_GCR_BASE_CMDEFTGT_MEM);
/* disable CM regions */
write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR);
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index 777e0193e8ed..5729d2c77461 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -212,7 +212,7 @@ err_out:
static void boot_core(unsigned int core, unsigned int vpe_id)
{
- u32 access, stat, seq_state;
+ u32 stat, seq_state;
unsigned timeout;
/* Select the appropriate core */
@@ -228,9 +228,7 @@ static void boot_core(unsigned int core, unsigned int vpe_id)
write_gcr_co_reset_ext_base(CM_GCR_Cx_RESET_EXT_BASE_UEB);
/* Ensure the core can access the GCRs */
- access = read_gcr_access();
- access |= 1 << core;
- write_gcr_access(access);
+ set_gcr_access(1 << core);
if (mips_cpc_present()) {
/* Reset the core */
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index 7f30397cb10d..cda878c0010b 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -69,28 +69,19 @@ static void mips_sc_prefetch_enable(void)
pftctl |= CM_GCR_L2_PFT_CONTROL_PFTEN;
write_gcr_l2_pft_control(pftctl);
- pftctl = read_gcr_l2_pft_control_b();
- pftctl |= CM_GCR_L2_PFT_CONTROL_B_PORTID;
- pftctl |= CM_GCR_L2_PFT_CONTROL_B_CEN;
- write_gcr_l2_pft_control_b(pftctl);
+ set_gcr_l2_pft_control_b(CM_GCR_L2_PFT_CONTROL_B_PORTID |
+ CM_GCR_L2_PFT_CONTROL_B_CEN);
}
}
static void mips_sc_prefetch_disable(void)
{
- unsigned long pftctl;
-
if (mips_cm_revision() < CM_REV_CM2_5)
return;
- pftctl = read_gcr_l2_pft_control();
- pftctl &= ~CM_GCR_L2_PFT_CONTROL_PFTEN;
- write_gcr_l2_pft_control(pftctl);
-
- pftctl = read_gcr_l2_pft_control_b();
- pftctl &= ~CM_GCR_L2_PFT_CONTROL_B_PORTID;
- pftctl &= ~CM_GCR_L2_PFT_CONTROL_B_CEN;
- write_gcr_l2_pft_control_b(pftctl);
+ clear_gcr_l2_pft_control(CM_GCR_L2_PFT_CONTROL_PFTEN);
+ clear_gcr_l2_pft_control_b(CM_GCR_L2_PFT_CONTROL_B_PORTID |
+ CM_GCR_L2_PFT_CONTROL_B_CEN);
}
static bool mips_sc_prefetch_is_enabled(void)