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SubjectRe: [PATCH v3 3/8] remoteproc: qcom: Update IMEM PIL info on load
On Mon, Feb 10, 2020 at 04:50:54PM -0800, Bjorn Andersson wrote:
> Update the PIL info region structure in IMEM with information about
> where the firmware for various remoteprocs are loaded.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
>
> Changes since v2:
> - Wrapped a long line
>
> drivers/remoteproc/Kconfig | 3 +++
> drivers/remoteproc/qcom_q6v5_adsp.c | 19 ++++++++++++++++---
> drivers/remoteproc/qcom_q6v5_mss.c | 6 ++++++
> drivers/remoteproc/qcom_q6v5_pas.c | 18 +++++++++++++++---
> drivers/remoteproc/qcom_wcnss.c | 17 ++++++++++++++---
> 5 files changed, 54 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
> index 20c8194e610e..7f4834ab06c2 100644
> --- a/drivers/remoteproc/Kconfig
> +++ b/drivers/remoteproc/Kconfig
> @@ -129,6 +129,7 @@ config QCOM_Q6V5_MSS
> depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
> depends on QCOM_SYSMON || QCOM_SYSMON=n
> select MFD_SYSCON
> + select QCOM_PIL_INFO
> select QCOM_MDT_LOADER
> select QCOM_Q6V5_COMMON
> select QCOM_RPROC_COMMON
> @@ -145,6 +146,7 @@ config QCOM_Q6V5_PAS
> depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n
> depends on QCOM_SYSMON || QCOM_SYSMON=n
> select MFD_SYSCON
> + select QCOM_PIL_INFO
> select QCOM_MDT_LOADER
> select QCOM_Q6V5_COMMON
> select QCOM_RPROC_COMMON
> @@ -193,6 +195,7 @@ config QCOM_WCNSS_PIL
> depends on QCOM_SMEM
> depends on QCOM_SYSMON || QCOM_SYSMON=n
> select QCOM_MDT_LOADER
> + select QCOM_PIL_INFO
> select QCOM_RPROC_COMMON
> select QCOM_SCM
> help
> diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
> index e953886b2eb7..19f784adf91c 100644
> --- a/drivers/remoteproc/qcom_q6v5_adsp.c
> +++ b/drivers/remoteproc/qcom_q6v5_adsp.c
> @@ -26,6 +26,7 @@
> #include <linux/soc/qcom/smem_state.h>
>
> #include "qcom_common.h"
> +#include "qcom_pil_info.h"
> #include "qcom_q6v5.h"
> #include "remoteproc_internal.h"
>
> @@ -82,6 +83,7 @@ struct qcom_adsp {
> unsigned int halt_lpass;
>
> int crash_reason_smem;
> + const char *info_name;
>
> struct completion start_done;
> struct completion stop_done;
> @@ -164,10 +166,17 @@ static int qcom_adsp_shutdown(struct qcom_adsp *adsp)
> static int adsp_load(struct rproc *rproc, const struct firmware *fw)
> {
> struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
> + int ret;
> +
> + ret = qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, 0,
> + adsp->mem_region, adsp->mem_phys,
> + adsp->mem_size, &adsp->mem_reloc);
> + if (ret)
> + return ret;
>
> - return qcom_mdt_load_no_init(adsp->dev, fw, rproc->firmware, 0,
> - adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> - &adsp->mem_reloc);
> + qcom_pil_info_store(adsp->info_name, adsp->mem_reloc, adsp->mem_size);

It is entirely up to you to decide to add a comment that explains why you
opted not to handle the return. But can already see patches piling
up on the mailing list to "fix" the problem.

The same applies to the other hunks.

> +
> + return 0;
> }
>
> static int adsp_start(struct rproc *rproc)
> @@ -413,6 +422,9 @@ static int adsp_probe(struct platform_device *pdev)
> struct rproc *rproc;
> int ret;
>
> + if (!qcom_pil_info_available())
> + return -EPROBE_DEFER;
> +
> desc = of_device_get_match_data(&pdev->dev);
> if (!desc)
> return -EINVAL;
> @@ -427,6 +439,7 @@ static int adsp_probe(struct platform_device *pdev)
> adsp = (struct qcom_adsp *)rproc->priv;
> adsp->dev = &pdev->dev;
> adsp->rproc = rproc;
> + adsp->info_name = desc->sysmon_name;
> platform_set_drvdata(pdev, adsp);
>
> ret = adsp_alloc_memory_region(adsp);
> diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
> index a1cc9cbe038f..66ed4600db78 100644
> --- a/drivers/remoteproc/qcom_q6v5_mss.c
> +++ b/drivers/remoteproc/qcom_q6v5_mss.c
> @@ -28,6 +28,7 @@
>
> #include "remoteproc_internal.h"
> #include "qcom_common.h"
> +#include "qcom_pil_info.h"
> #include "qcom_q6v5.h"
>
> #include <linux/qcom_scm.h>
> @@ -1166,6 +1167,8 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
> else if (ret < 0)
> dev_err(qproc->dev, "MPSS authentication failed: %d\n", ret);
>
> + qcom_pil_info_store("modem", mpss_reloc, qproc->mpss_size);
> +
> release_firmware:
> release_firmware(fw);
> out:
> @@ -1555,6 +1558,9 @@ static int q6v5_probe(struct platform_device *pdev)
> if (desc->need_mem_protection && !qcom_scm_is_available())
> return -EPROBE_DEFER;
>
> + if (!qcom_pil_info_available())
> + return -EPROBE_DEFER;
> +
> mba_image = desc->hexagon_mba_image;
> ret = of_property_read_string_index(pdev->dev.of_node, "firmware-name",
> 0, &mba_image);
> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
> index edf9d0e1a235..d20ce3c62256 100644
> --- a/drivers/remoteproc/qcom_q6v5_pas.c
> +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> @@ -25,6 +25,7 @@
> #include <linux/soc/qcom/smem_state.h>
>
> #include "qcom_common.h"
> +#include "qcom_pil_info.h"
> #include "qcom_q6v5.h"
> #include "remoteproc_internal.h"
>
> @@ -64,6 +65,7 @@ struct qcom_adsp {
> int pas_id;
> int crash_reason_smem;
> bool has_aggre2_clk;
> + const char *info_name;
>
> struct completion start_done;
> struct completion stop_done;
> @@ -117,11 +119,17 @@ static void adsp_pds_disable(struct qcom_adsp *adsp, struct device **pds,
> static int adsp_load(struct rproc *rproc, const struct firmware *fw)
> {
> struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
> + int ret;
> +
> + ret = qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
> + adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> + &adsp->mem_reloc);
> + if (ret)
> + return ret;
>
> - return qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
> - adsp->mem_region, adsp->mem_phys, adsp->mem_size,
> - &adsp->mem_reloc);
> + qcom_pil_info_store(adsp->info_name, adsp->mem_reloc, adsp->mem_size);
>
> + return 0;
> }
>
> static int adsp_start(struct rproc *rproc)
> @@ -376,6 +384,9 @@ static int adsp_probe(struct platform_device *pdev)
> if (!qcom_scm_is_available())
> return -EPROBE_DEFER;
>
> + if (!qcom_pil_info_available())
> + return -EPROBE_DEFER;
> +
> fw_name = desc->firmware_name;
> ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
> &fw_name);
> @@ -396,6 +407,7 @@ static int adsp_probe(struct platform_device *pdev)
> adsp->rproc = rproc;
> adsp->pas_id = desc->pas_id;
> adsp->has_aggre2_clk = desc->has_aggre2_clk;
> + adsp->info_name = desc->sysmon_name;
> platform_set_drvdata(pdev, adsp);
>
> ret = adsp_alloc_memory_region(adsp);
> diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
> index dc135754bb9c..2c1cefeacf97 100644
> --- a/drivers/remoteproc/qcom_wcnss.c
> +++ b/drivers/remoteproc/qcom_wcnss.c
> @@ -27,6 +27,7 @@
>
> #include "qcom_common.h"
> #include "remoteproc_internal.h"
> +#include "qcom_pil_info.h"
> #include "qcom_wcnss.h"
>
> #define WCNSS_CRASH_REASON_SMEM 422
> @@ -145,10 +146,17 @@ void qcom_wcnss_assign_iris(struct qcom_wcnss *wcnss,
> static int wcnss_load(struct rproc *rproc, const struct firmware *fw)
> {
> struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;
> + int ret;
> +
> + ret = qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID,
> + wcnss->mem_region, wcnss->mem_phys,
> + wcnss->mem_size, &wcnss->mem_reloc);
> + if (ret)
> + return ret;
>
> - return qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID,
> - wcnss->mem_region, wcnss->mem_phys,
> - wcnss->mem_size, &wcnss->mem_reloc);
> + qcom_pil_info_store("wcnss", wcnss->mem_reloc, wcnss->mem_size);
> +
> + return 0;
> }
>
> static void wcnss_indicate_nv_download(struct qcom_wcnss *wcnss)
> @@ -469,6 +477,9 @@ static int wcnss_probe(struct platform_device *pdev)
> if (!qcom_scm_is_available())
> return -EPROBE_DEFER;
>
> + if (!qcom_pil_info_available())
> + return -EPROBE_DEFER;
> +
> if (!qcom_scm_pas_supported(WCNSS_PAS_ID)) {
> dev_err(&pdev->dev, "PAS is not available for WCNSS\n");
> return -ENXIO;
> --
> 2.24.0
>

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