From 9f135fa1ffea3005f0d8021e55463134a2175928 Mon Sep 17 00:00:00 2001 From: Sibi Sankar Date: Mon, 21 May 2018 22:57:12 +0530 Subject: remoteproc: q6v5: Introduce reset assert/deassert helper functions Adding reset assert/deassert helper functions to handle SoC specific reset sequences. This wil be used by SDM845 to assert and deassert ALT_RESET and MSS_RESET signals. Signed-off-by: Sibi Sankar Signed-off-by: Bjorn Andersson --- drivers/remoteproc/qcom_q6v5_pil.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c index a7c325ef78a1..7e2691c9c034 100644 --- a/drivers/remoteproc/qcom_q6v5_pil.c +++ b/drivers/remoteproc/qcom_q6v5_pil.c @@ -337,6 +337,16 @@ static int q6v5_load(struct rproc *rproc, const struct firmware *fw) return 0; } +static int q6v5_reset_assert(struct q6v5 *qproc) +{ + return reset_control_assert(qproc->mss_restart); +} + +static int q6v5_reset_deassert(struct q6v5 *qproc) +{ + return reset_control_deassert(qproc->mss_restart); +} + static int q6v5_rmb_pbl_wait(struct q6v5 *qproc, int ms) { unsigned long timeout; @@ -755,7 +765,7 @@ static int q6v5_start(struct rproc *rproc) dev_err(qproc->dev, "failed to enable supplies\n"); goto disable_proxy_clk; } - ret = reset_control_deassert(qproc->mss_restart); + ret = q6v5_reset_deassert(qproc); if (ret) { dev_err(qproc->dev, "failed to deassert mss restart\n"); goto disable_vdd; @@ -843,7 +853,7 @@ disable_active_clks: qproc->active_clk_count); assert_reset: - reset_control_assert(qproc->mss_restart); + q6v5_reset_assert(qproc); disable_vdd: q6v5_regulator_disable(qproc, qproc->active_regs, qproc->active_reg_count); @@ -896,7 +906,7 @@ static int q6v5_stop(struct rproc *rproc) qproc->mpss_phys, qproc->mpss_size); WARN_ON(ret); - reset_control_assert(qproc->mss_restart); + q6v5_reset_assert(qproc); disable_irq(qproc->handover_irq); -- cgit v1.2.3