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NXP/FSL SoC driver updates for v5.11 

- Add RCPM errata workaround for A-008646 on LS1021A
 - Various W=1 warning fixes for fsl/soc drivers
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Merge tag 'soc-fsl-next-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers

NXP/FSL SoC driver updates for v5.11

- Add RCPM errata workaround for A-008646 on LS1021A
- Various W=1 warning fixes for fsl/soc drivers

* tag 'soc-fsl-next-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: handle RCPM errata A-008646 on SoC LS1021A
  soc: fsl: qbman: qman: Remove unused variable 'dequeue_wq'
  soc: fsl: qe: qe_common: Fix misnamed function attribute 'addr'
  soc: fsl: dpio: qbman-portal: Fix a bunch of kernel-doc misdemeanours

Link: https://lore.kernel.org/r/20201125165913.15441-1-leoyang.li@nxp.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2020-11-26 22:00:55 +01:00
parent e24f7fac3b e95f287dee
commit ba622a3e74
4 changed files with 50 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/soc/fsl/dpio/qbman-portal.c
View File

@ -424,7 +424,7 @@ int qbman_swp_interrupt_get_inhibit(struct qbman_swp *p)
/**
* qbman_swp_interrupt_set_inhibit() - write interrupt mask register
* @p: the given software portal object
* @mask: The mask to set in SWP_IIR register
* @inhibit: whether to inhibit the IRQs
*/
void qbman_swp_interrupt_set_inhibit(struct qbman_swp *p, int inhibit)
{
@ -510,7 +510,7 @@ enum qb_enqueue_commands {
#define QB_ENQUEUE_CMD_TARGET_TYPE_SHIFT 4
#define QB_ENQUEUE_CMD_DCA_EN_SHIFT 7
/**
/*
* qbman_eq_desc_clear() - Clear the contents of a descriptor to
* default/starting state.
*/
@ -522,7 +522,7 @@ void qbman_eq_desc_clear(struct qbman_eq_desc *d)
/**
* qbman_eq_desc_set_no_orp() - Set enqueue descriptor without orp
* @d: the enqueue descriptor.
* @response_success: 1 = enqueue with response always; 0 = enqueue with
* @respond_success: 1 = enqueue with response always; 0 = enqueue with
* rejections returned on a FQ.
*/
void qbman_eq_desc_set_no_orp(struct qbman_eq_desc *d, int respond_success)
@ -932,7 +932,7 @@ int qbman_swp_enqueue_multiple_desc_mem_back(struct qbman_swp *s,
/**
* qbman_swp_push_get() - Get the push dequeue setup
* @p: the software portal object
* @s: the software portal object
* @channel_idx: the channel index to query
* @enabled: returned boolean to show whether the push dequeue is enabled
* for the given channel
@ -947,7 +947,7 @@ void qbman_swp_push_get(struct qbman_swp *s, u8 channel_idx, int *enabled)
/**
* qbman_swp_push_set() - Enable or disable push dequeue
* @p: the software portal object
* @s: the software portal object
* @channel_idx: the channel index (0 to 15)
* @enable: enable or disable push dequeue
*/
@ -1046,6 +1046,7 @@ void qbman_pull_desc_set_numframes(struct qbman_pull_desc *d, u8 numframes)
/**
* qbman_pull_desc_set_fq() - Set fqid from which the dequeue command dequeues
* @d: the pull dequeue descriptor to be set
* @fqid: the frame queue index of the given FQ
*/
void qbman_pull_desc_set_fq(struct qbman_pull_desc *d, u32 fqid)
@ -1057,6 +1058,7 @@ void qbman_pull_desc_set_fq(struct qbman_pull_desc *d, u32 fqid)
/**
* qbman_pull_desc_set_wq() - Set wqid from which the dequeue command dequeues
* @d: the pull dequeue descriptor to be set
* @wqid: composed of channel id and wqid within the channel
* @dct: the dequeue command type
*/
@ -1071,6 +1073,7 @@ void qbman_pull_desc_set_wq(struct qbman_pull_desc *d, u32 wqid,
/**
* qbman_pull_desc_set_channel() - Set channelid from which the dequeue command
* dequeues
* @d: the pull dequeue descriptor to be set
* @chid: the channel id to be dequeued
* @dct: the dequeue command type
*/
@ -1398,6 +1401,7 @@ int qbman_result_has_new_result(struct qbman_swp *s, const struct dpaa2_dq *dq)
/**
* qbman_release_desc_clear() - Clear the contents of a descriptor to
* default/starting state.
* @d: the pull dequeue descriptor to be cleared
*/
void qbman_release_desc_clear(struct qbman_release_desc *d)
{
@ -1407,6 +1411,8 @@ void qbman_release_desc_clear(struct qbman_release_desc *d)
/**
* qbman_release_desc_set_bpid() - Set the ID of the buffer pool to release to
* @d: the pull dequeue descriptor to be set
* @bpid: the bpid value to be set
*/
void qbman_release_desc_set_bpid(struct qbman_release_desc *d, u16 bpid)
{
@ -1416,6 +1422,8 @@ void qbman_release_desc_set_bpid(struct qbman_release_desc *d, u16 bpid)
/**
* qbman_release_desc_set_rcdi() - Determines whether or not the portal's RCDI
* interrupt source should be asserted after the release command is completed.
* @d: the pull dequeue descriptor to be set
* @enable: enable (1) or disable (0) value
*/
void qbman_release_desc_set_rcdi(struct qbman_release_desc *d, int enable)
{

8
drivers/soc/fsl/qbman/qman.c
View File

@ -2622,7 +2622,7 @@ int qman_shutdown_fq(u32 fqid)
union qm_mc_command *mcc;
union qm_mc_result *mcr;
int orl_empty, drain = 0, ret = 0;
u32 channel, wq, res;
u32 channel, res;
u8 state;
p = get_affine_portal();
@ -2655,7 +2655,7 @@ int qman_shutdown_fq(u32 fqid)
DPAA_ASSERT((mcr->verb & QM_MCR_VERB_MASK) == QM_MCR_VERB_QUERYFQ);
/* Need to store these since the MCR gets reused */
channel = qm_fqd_get_chan(&mcr->queryfq.fqd);
wq = qm_fqd_get_wq(&mcr->queryfq.fqd);
qm_fqd_get_wq(&mcr->queryfq.fqd);
if (channel < qm_channel_pool1) {
channel_portal = get_portal_for_channel(channel);
@ -2697,7 +2697,6 @@ int qman_shutdown_fq(u32 fqid)
* to dequeue from the channel the FQ is scheduled on
*/
int found_fqrn = 0;
u16 dequeue_wq = 0;
/* Flag that we need to drain FQ */
drain = 1;
@ -2705,11 +2704,8 @@ int qman_shutdown_fq(u32 fqid)
if (channel >= qm_channel_pool1 &&
channel < qm_channel_pool1 + 15) {
/* Pool channel, enable the bit in the portal */
dequeue_wq = (channel -
qm_channel_pool1 + 1)<<4 | wq;
} else if (channel < qm_channel_pool1) {
/* Dedicated channel */
dequeue_wq = wq;
} else {
dev_err(dev, "Can't recover FQ 0x%x, ch: 0x%x",
fqid, channel);

2
drivers/soc/fsl/qe/qe_common.c
View File

@ -231,7 +231,7 @@ EXPORT_SYMBOL(cpm_muram_offset);
/**
* cpm_muram_dma - turn a muram virtual address into a DMA address
* @offset: virtual address from cpm_muram_addr() to convert
* @addr: virtual address from cpm_muram_addr() to convert
*/
dma_addr_t cpm_muram_dma(void __iomem *addr)
{

35
drivers/soc/fsl/rcpm.c
View File

@ -2,7 +2,7 @@
//
// rcpm.c - Freescale QorIQ RCPM driver
//
// Copyright 2019 NXP
// Copyright 2019-2020 NXP
//
// Author: Ran Wang <ran.wang_1@nxp.com>
@ -22,6 +22,28 @@ struct rcpm {
bool little_endian;
};
#define SCFG_SPARECR8 0x051c
static void copy_ippdexpcr1_setting(u32 val)
{
struct device_node *np;
void __iomem *regs;
u32 reg_val;
np = of_find_compatible_node(NULL, NULL, "fsl,ls1021a-scfg");
if (!np)
return;
regs = of_iomap(np, 0);
if (!regs)
return;
reg_val = ioread32be(regs + SCFG_SPARECR8);
iowrite32be(val | reg_val, regs + SCFG_SPARECR8);
iounmap(regs);
}
/**
* rcpm_pm_prepare - performs device-level tasks associated with power
* management, such as programming related to the wakeup source control.
@ -90,6 +112,17 @@ static int rcpm_pm_prepare(struct device *dev)
tmp |= ioread32be(address);
iowrite32be(tmp, address);
}
/*
* Workaround of errata A-008646 on SoC LS1021A:
* There is a bug of register ippdexpcr1.
* Reading configuration register RCPM_IPPDEXPCR1
* always return zero. So save ippdexpcr1's value
* to register SCFG_SPARECR8.And the value of
* ippdexpcr1 will be read from SCFG_SPARECR8.
*/
if (dev_of_node(dev) && (i == 1))
if (of_device_is_compatible(np, "fsl,ls1021a-rcpm"))
copy_ippdexpcr1_setting(tmp);
}
return 0;