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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-30 19:51:31 -04:00
mfd: Remove obsolete hwacc implementation for db8500-prmcu
This patch removes the obsolete hwacc implementation in the DB8500 PRCMU driver. Signed-off-by: Mattias Nilsson <[email protected]> Reviewed-by: Jonas Aberg <[email protected]> Signed-off-by: Linus Walleij <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Mattias Nilsson
Samuel Ortiz
parent
829ecbcb14
commit
d902d0d18c
2 changed files with 0 additions and 198 deletions
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@ -516,35 +516,6 @@ static struct dsiescclk dsiescclk[3] = {
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}
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};
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static struct regulator *hwacc_regulator[NUM_HW_ACC];
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static struct regulator *hwacc_ret_regulator[NUM_HW_ACC];
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static bool hwacc_enabled[NUM_HW_ACC];
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static bool hwacc_ret_enabled[NUM_HW_ACC];
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static const char *hwacc_regulator_name[NUM_HW_ACC] = {
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[HW_ACC_SVAMMDSP] = "hwacc-sva-mmdsp",
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[HW_ACC_SVAPIPE] = "hwacc-sva-pipe",
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[HW_ACC_SIAMMDSP] = "hwacc-sia-mmdsp",
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[HW_ACC_SIAPIPE] = "hwacc-sia-pipe",
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[HW_ACC_SGA] = "hwacc-sga",
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[HW_ACC_B2R2] = "hwacc-b2r2",
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[HW_ACC_MCDE] = "hwacc-mcde",
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[HW_ACC_ESRAM1] = "hwacc-esram1",
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[HW_ACC_ESRAM2] = "hwacc-esram2",
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[HW_ACC_ESRAM3] = "hwacc-esram3",
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[HW_ACC_ESRAM4] = "hwacc-esram4",
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};
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static const char *hwacc_ret_regulator_name[NUM_HW_ACC] = {
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[HW_ACC_SVAMMDSP] = "hwacc-sva-mmdsp-ret",
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[HW_ACC_SIAMMDSP] = "hwacc-sia-mmdsp-ret",
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[HW_ACC_ESRAM1] = "hwacc-esram1-ret",
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[HW_ACC_ESRAM2] = "hwacc-esram2-ret",
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[HW_ACC_ESRAM3] = "hwacc-esram3-ret",
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[HW_ACC_ESRAM4] = "hwacc-esram4-ret",
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};
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/*
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* Used by MCDE to setup all necessary PRCMU registers
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*/
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@ -1294,132 +1265,6 @@ static int request_pll(u8 clock, bool enable)
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return r;
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}
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/**
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* prcmu_set_hwacc - set the power state of a h/w accelerator
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* @hwacc_dev: The hardware accelerator (enum hw_acc_dev).
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* @state: The new power state (enum hw_acc_state).
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*
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* This function sets the power state of a hardware accelerator.
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* This function should not be called from interrupt context.
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*
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* NOTE! Deprecated, to be removed when all users switched over to use the
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* regulator framework API.
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*/
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int prcmu_set_hwacc(u16 hwacc_dev, u8 state)
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{
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int r = 0;
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bool ram_retention = false;
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bool enable, enable_ret;
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/* check argument */
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BUG_ON(hwacc_dev >= NUM_HW_ACC);
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/* get state of switches */
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enable = hwacc_enabled[hwacc_dev];
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enable_ret = hwacc_ret_enabled[hwacc_dev];
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/* set flag if retention is possible */
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switch (hwacc_dev) {
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case HW_ACC_SVAMMDSP:
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case HW_ACC_SIAMMDSP:
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case HW_ACC_ESRAM1:
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case HW_ACC_ESRAM2:
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case HW_ACC_ESRAM3:
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case HW_ACC_ESRAM4:
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ram_retention = true;
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break;
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}
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/* check argument */
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BUG_ON(state > HW_ON);
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BUG_ON(state == HW_OFF_RAMRET && !ram_retention);
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/* modify enable flags */
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switch (state) {
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case HW_OFF:
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enable_ret = false;
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enable = false;
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break;
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case HW_ON:
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enable = true;
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break;
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case HW_OFF_RAMRET:
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enable_ret = true;
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enable = false;
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break;
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}
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/* get regulator (lazy) */
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if (hwacc_regulator[hwacc_dev] == NULL) {
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hwacc_regulator[hwacc_dev] = regulator_get(NULL,
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hwacc_regulator_name[hwacc_dev]);
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if (IS_ERR(hwacc_regulator[hwacc_dev])) {
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pr_err("prcmu: failed to get supply %s\n",
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hwacc_regulator_name[hwacc_dev]);
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r = PTR_ERR(hwacc_regulator[hwacc_dev]);
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goto out;
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}
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}
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if (ram_retention) {
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if (hwacc_ret_regulator[hwacc_dev] == NULL) {
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hwacc_ret_regulator[hwacc_dev] = regulator_get(NULL,
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hwacc_ret_regulator_name[hwacc_dev]);
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if (IS_ERR(hwacc_ret_regulator[hwacc_dev])) {
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pr_err("prcmu: failed to get supply %s\n",
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hwacc_ret_regulator_name[hwacc_dev]);
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r = PTR_ERR(hwacc_ret_regulator[hwacc_dev]);
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goto out;
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}
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}
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}
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/* set regulators */
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if (ram_retention) {
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if (enable_ret && !hwacc_ret_enabled[hwacc_dev]) {
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r = regulator_enable(hwacc_ret_regulator[hwacc_dev]);
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if (r < 0) {
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pr_err("prcmu_set_hwacc: ret enable failed\n");
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goto out;
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}
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hwacc_ret_enabled[hwacc_dev] = true;
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}
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}
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if (enable && !hwacc_enabled[hwacc_dev]) {
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r = regulator_enable(hwacc_regulator[hwacc_dev]);
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if (r < 0) {
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pr_err("prcmu_set_hwacc: enable failed\n");
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goto out;
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}
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hwacc_enabled[hwacc_dev] = true;
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}
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if (!enable && hwacc_enabled[hwacc_dev]) {
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r = regulator_disable(hwacc_regulator[hwacc_dev]);
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if (r < 0) {
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pr_err("prcmu_set_hwacc: disable failed\n");
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goto out;
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}
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hwacc_enabled[hwacc_dev] = false;
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}
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if (ram_retention) {
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if (!enable_ret && hwacc_ret_enabled[hwacc_dev]) {
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r = regulator_disable(hwacc_ret_regulator[hwacc_dev]);
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if (r < 0) {
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pr_err("prcmu_set_hwacc: ret disable failed\n");
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goto out;
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}
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hwacc_ret_enabled[hwacc_dev] = false;
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}
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}
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out:
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return r;
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}
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EXPORT_SYMBOL(prcmu_set_hwacc);
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/**
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* db8500_prcmu_set_epod - set the state of a EPOD (power domain)
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* @epod_id: The EPOD to set
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