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authorMichael Ellerman <mpe@ellerman.id.au>2017-05-09 22:54:35 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2017-05-09 22:54:35 +1000
commit0b382fb3d905e2754302cf9097ffca13afb8b73f (patch)
treeb70fdbe056761d4186cd0c9fe7707b9910617bcc /drivers
parent6102c005a71b4a7a6433d43b887662fb0780746d (diff)
parent61baf15555129f69720334f232b153890895ef71 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux into next
Freescale updates from Scott: "Includes a fix for a powerpc/next mm regression on 64e, a fix for a kernel hang on 64e when using a debugger inside a relocated kernel, a qman fix, and misc qe improvements."
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/freescale/ucc_geth.c8
-rw-r--r--drivers/soc/fsl/qbman/qman.c5
-rw-r--r--drivers/soc/fsl/qe/qe.c25
-rw-r--r--drivers/soc/fsl/qe/qe_tdm.c2
4 files changed, 30 insertions, 10 deletions
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 3f7ae9f64cd8..f77ba9fa257b 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -2594,11 +2594,10 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth)
} else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM) {
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
- (u32) immrbar_virt_to_phys(ugeth->
- p_tx_bd_ring[i]));
+ (u32)qe_muram_dma(ugeth->p_tx_bd_ring[i]));
out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
last_bd_completed_address,
- (u32) immrbar_virt_to_phys(endOfRing));
+ (u32)qe_muram_dma(endOfRing));
}
}
@@ -2844,8 +2843,7 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth)
} else if (ugeth->ug_info->uf_info.bd_mem_part ==
MEM_PART_MURAM) {
out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
- (u32) immrbar_virt_to_phys(ugeth->
- p_rx_bd_ring[i]));
+ (u32)qe_muram_dma(ugeth->p_rx_bd_ring[i]));
}
/* rest of fields handled by QE */
}
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 6f509f68085e..2827a65aa25a 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -1344,6 +1344,7 @@ static void qm_congestion_task(struct work_struct *work)
if (!qm_mc_result_timeout(&p->p, &mcr)) {
spin_unlock(&p->cgr_lock);
dev_crit(p->config->dev, "QUERYCONGESTION timeout\n");
+ qman_p_irqsource_add(p, QM_PIRQ_CSCI);
return;
}
/* mask out the ones I'm not interested in */
@@ -1358,6 +1359,7 @@ static void qm_congestion_task(struct work_struct *work)
if (cgr->cb && qman_cgrs_get(&c, cgr->cgrid))
cgr->cb(p, cgr, qman_cgrs_get(&rr, cgr->cgrid));
spin_unlock(&p->cgr_lock);
+ qman_p_irqsource_add(p, QM_PIRQ_CSCI);
}
static void qm_mr_process_task(struct work_struct *work)
@@ -1417,12 +1419,14 @@ static void qm_mr_process_task(struct work_struct *work)
}
qm_mr_cci_consume(&p->p, num);
+ qman_p_irqsource_add(p, QM_PIRQ_MRI);
preempt_enable();
}
static u32 __poll_portal_slow(struct qman_portal *p, u32 is)
{
if (is & QM_PIRQ_CSCI) {
+ qman_p_irqsource_remove(p, QM_PIRQ_CSCI);
queue_work_on(smp_processor_id(), qm_portal_wq,
&p->congestion_work);
}
@@ -1434,6 +1438,7 @@ static u32 __poll_portal_slow(struct qman_portal *p, u32 is)
}
if (is & QM_PIRQ_MRI) {
+ qman_p_irqsource_remove(p, QM_PIRQ_MRI);
queue_work_on(smp_processor_id(), qm_portal_wq,
&p->mr_work);
}
diff --git a/drivers/soc/fsl/qe/qe.c b/drivers/soc/fsl/qe/qe.c
index ade168f5328e..2ef6fc6487c1 100644
--- a/drivers/soc/fsl/qe/qe.c
+++ b/drivers/soc/fsl/qe/qe.c
@@ -66,7 +66,7 @@ static unsigned int qe_num_of_snum;
static phys_addr_t qebase = -1;
-phys_addr_t get_qe_base(void)
+static phys_addr_t get_qe_base(void)
{
struct device_node *qe;
int ret;
@@ -90,8 +90,6 @@ phys_addr_t get_qe_base(void)
return qebase;
}
-EXPORT_SYMBOL(get_qe_base);
-
void qe_reset(void)
{
if (qe_immr == NULL)
@@ -163,11 +161,15 @@ EXPORT_SYMBOL(qe_issue_cmd);
*/
static unsigned int brg_clk = 0;
+#define CLK_GRAN (1000)
+#define CLK_GRAN_LIMIT (5)
+
unsigned int qe_get_brg_clk(void)
{
struct device_node *qe;
int size;
const u32 *prop;
+ unsigned int mod;
if (brg_clk)
return brg_clk;
@@ -185,10 +187,22 @@ unsigned int qe_get_brg_clk(void)
of_node_put(qe);
+ /* round this if near to a multiple of CLK_GRAN */
+ mod = brg_clk % CLK_GRAN;
+ if (mod) {
+ if (mod < CLK_GRAN_LIMIT)
+ brg_clk -= mod;
+ else if (mod > (CLK_GRAN - CLK_GRAN_LIMIT))
+ brg_clk += CLK_GRAN - mod;
+ }
+
return brg_clk;
}
EXPORT_SYMBOL(qe_get_brg_clk);
+#define PVR_VER_836x 0x8083
+#define PVR_VER_832x 0x8084
+
/* Program the BRG to the given sampling rate and multiplier
*
* @brg: the BRG, QE_BRG1 - QE_BRG16
@@ -215,8 +229,9 @@ int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier)
/* Errata QE_General4, which affects some MPC832x and MPC836x SOCs, says
that the BRG divisor must be even if you're not using divide-by-16
mode. */
- if (!div16 && (divisor & 1) && (divisor > 3))
- divisor++;
+ if (pvr_version_is(PVR_VER_836x) || pvr_version_is(PVR_VER_832x))
+ if (!div16 && (divisor & 1) && (divisor > 3))
+ divisor++;
tempval = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) |
QE_BRGC_ENABLE | div16;
diff --git a/drivers/soc/fsl/qe/qe_tdm.c b/drivers/soc/fsl/qe/qe_tdm.c
index a1048b44e6b9..f744c214f680 100644
--- a/drivers/soc/fsl/qe/qe_tdm.c
+++ b/drivers/soc/fsl/qe/qe_tdm.c
@@ -177,6 +177,7 @@ err_miss_siram_property:
devm_iounmap(&pdev->dev, utdm->si_regs);
return ret;
}
+EXPORT_SYMBOL(ucc_of_parse_tdm);
void ucc_tdm_init(struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info)
{
@@ -274,3 +275,4 @@ void ucc_tdm_init(struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info)
break;
}
}
+EXPORT_SYMBOL(ucc_tdm_init);