The omap_hdmi private data structure is currently stored as a global
variable. While no platform with multiple HDMI5 encoders currently
exists nor is planned, this doesn't comply with the kernel device model
and should thus be fixed.

Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reic...@collabora.co.uk>
---
Changes since v1:

- Fixed device name string that had been incorrectly modified
---
 drivers/gpu/drm/omapdrm/dss/hdmi5.c | 364 +++++++++++++++++++-----------------
 1 file changed, 196 insertions(+), 168 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c 
b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
index a83d70144f85..4a0178ab8016 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
@@ -46,15 +46,13 @@
 #include "hdmi5_core.h"
 #include "dss.h"
 
-static struct omap_hdmi hdmi;
-
-static int hdmi_runtime_get(void)
+static int hdmi_runtime_get(struct omap_hdmi *hdmi)
 {
        int r;
 
        DSSDBG("hdmi_runtime_get\n");
 
-       r = pm_runtime_get_sync(&hdmi.pdev->dev);
+       r = pm_runtime_get_sync(&hdmi->pdev->dev);
        WARN_ON(r < 0);
        if (r < 0)
                return r;
@@ -62,19 +60,20 @@ static int hdmi_runtime_get(void)
        return 0;
 }
 
-static void hdmi_runtime_put(void)
+static void hdmi_runtime_put(struct omap_hdmi *hdmi)
 {
        int r;
 
        DSSDBG("hdmi_runtime_put\n");
 
-       r = pm_runtime_put_sync(&hdmi.pdev->dev);
+       r = pm_runtime_put_sync(&hdmi->pdev->dev);
        WARN_ON(r < 0 && r != -ENOSYS);
 }
 
 static irqreturn_t hdmi_irq_handler(int irq, void *data)
 {
-       struct hdmi_wp_data *wp = data;
+       struct omap_hdmi *hdmi = data;
+       struct hdmi_wp_data *wp = &hdmi->wp;
        u32 irqstatus;
 
        irqstatus = hdmi_wp_get_irqstatus(wp);
@@ -97,17 +96,17 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data)
                 * setting the PHY to LDOON. To ignore those, we force the RXDET
                 * line to 0 until the PHY power state has been changed.
                 */
-               v = hdmi_read_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL);
+               v = hdmi_read_reg(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL);
                v = FLD_MOD(v, 1, 15, 15); /* FORCE_RXDET_HIGH */
                v = FLD_MOD(v, 0, 14, 7); /* RXDET_LINE */
-               hdmi_write_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v);
+               hdmi_write_reg(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v);
 
                hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
                                HDMI_IRQ_LINK_DISCONNECT);
 
                hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
 
-               REG_FLD_MOD(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15);
+               REG_FLD_MOD(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15);
 
        } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
                hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
@@ -118,69 +117,69 @@ static irqreturn_t hdmi_irq_handler(int irq, void *data)
        return IRQ_HANDLED;
 }
 
-static int hdmi_init_regulator(void)
+static int hdmi_init_regulator(struct omap_hdmi *hdmi)
 {
        struct regulator *reg;
 
-       if (hdmi.vdda_reg != NULL)
+       if (hdmi->vdda_reg != NULL)
                return 0;
 
-       reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");
+       reg = devm_regulator_get(&hdmi->pdev->dev, "vdda");
        if (IS_ERR(reg)) {
                DSSERR("can't get VDDA regulator\n");
                return PTR_ERR(reg);
        }
 
-       hdmi.vdda_reg = reg;
+       hdmi->vdda_reg = reg;
 
        return 0;
 }
 
-static int hdmi_power_on_core(struct omap_dss_device *dssdev)
+static int hdmi_power_on_core(struct omap_hdmi *hdmi)
 {
        int r;
 
-       r = regulator_enable(hdmi.vdda_reg);
+       r = regulator_enable(hdmi->vdda_reg);
        if (r)
                return r;
 
-       r = hdmi_runtime_get();
+       r = hdmi_runtime_get(hdmi);
        if (r)
                goto err_runtime_get;
 
        /* Make selection of HDMI in DSS */
-       dss_select_hdmi_venc_clk_source(hdmi.dss, DSS_HDMI_M_PCLK);
+       dss_select_hdmi_venc_clk_source(hdmi->dss, DSS_HDMI_M_PCLK);
 
-       hdmi.core_enabled = true;
+       hdmi->core_enabled = true;
 
        return 0;
 
 err_runtime_get:
-       regulator_disable(hdmi.vdda_reg);
+       regulator_disable(hdmi->vdda_reg);
 
        return r;
 }
 
-static void hdmi_power_off_core(struct omap_dss_device *dssdev)
+static void hdmi_power_off_core(struct omap_hdmi *hdmi)
 {
-       hdmi.core_enabled = false;
+       hdmi->core_enabled = false;
 
-       hdmi_runtime_put();
-       regulator_disable(hdmi.vdda_reg);
+       hdmi_runtime_put(hdmi);
+       regulator_disable(hdmi->vdda_reg);
 }
 
-static int hdmi_power_on_full(struct omap_dss_device *dssdev)
+static int hdmi_power_on_full(struct omap_hdmi *hdmi)
 {
        int r;
        struct videomode *vm;
        struct dss_pll_clock_info hdmi_cinfo = { 0 };
        unsigned int pc;
 
-       r = hdmi_power_on_core(dssdev);
+       r = hdmi_power_on_core(hdmi);
        if (r)
                return r;
 
-       vm = &hdmi.cfg.vm;
+       vm = &hdmi->cfg.vm;
 
        DSSDBG("hdmi_power_on hactive= %d vactive = %d\n", vm->hactive,
               vm->vactive);
@@ -192,87 +191,89 @@ static int hdmi_power_on_full(struct omap_dss_device 
*dssdev)
        /* DSS_HDMI_TCLK is bitclk / 10 */
        pc *= 10;
 
-       dss_pll_calc_b(&hdmi.pll.pll, clk_get_rate(hdmi.pll.pll.clkin),
+       dss_pll_calc_b(&hdmi->pll.pll, clk_get_rate(hdmi->pll.pll.clkin),
                pc, &hdmi_cinfo);
 
        /* disable and clear irqs */
-       hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
-       hdmi_wp_set_irqstatus(&hdmi.wp,
-                       hdmi_wp_get_irqstatus(&hdmi.wp));
+       hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff);
+       hdmi_wp_set_irqstatus(&hdmi->wp,
+                       hdmi_wp_get_irqstatus(&hdmi->wp));
 
-       r = dss_pll_enable(&hdmi.pll.pll);
+       r = dss_pll_enable(&hdmi->pll.pll);
        if (r) {
                DSSERR("Failed to enable PLL\n");
                goto err_pll_enable;
        }
 
-       r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
+       r = dss_pll_set_config(&hdmi->pll.pll, &hdmi_cinfo);
        if (r) {
                DSSERR("Failed to configure PLL\n");
                goto err_pll_cfg;
        }
 
-       r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
+       r = hdmi_phy_configure(&hdmi->phy, hdmi_cinfo.clkdco,
                hdmi_cinfo.clkout[0]);
        if (r) {
                DSSDBG("Failed to start PHY\n");
                goto err_phy_cfg;
        }
 
-       r = hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_LDOON);
+       r = hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_LDOON);
        if (r)
                goto err_phy_pwr;
 
-       hdmi5_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
+       hdmi5_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg);
 
        /* tv size */
-       dss_mgr_set_timings(&hdmi.output, vm);
+       dss_mgr_set_timings(&hdmi->output, vm);
 
-       r = dss_mgr_enable(&hdmi.output);
+       r = dss_mgr_enable(&hdmi->output);
        if (r)
                goto err_mgr_enable;
 
-       r = hdmi_wp_video_start(&hdmi.wp);
+       r = hdmi_wp_video_start(&hdmi->wp);
        if (r)
                goto err_vid_enable;
 
-       hdmi_wp_set_irqenable(&hdmi.wp,
+       hdmi_wp_set_irqenable(&hdmi->wp,
                        HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
 
        return 0;
 
 err_vid_enable:
-       dss_mgr_disable(&hdmi.output);
+       dss_mgr_disable(&hdmi->output);
 err_mgr_enable:
-       hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
+       hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
 err_phy_pwr:
 err_phy_cfg:
 err_pll_cfg:
-       dss_pll_disable(&hdmi.pll.pll);
+       dss_pll_disable(&hdmi->pll.pll);
 err_pll_enable:
-       hdmi_power_off_core(dssdev);
+       hdmi_power_off_core(hdmi);
        return -EIO;
 }
 
-static void hdmi_power_off_full(struct omap_dss_device *dssdev)
+static void hdmi_power_off_full(struct omap_hdmi *hdmi)
 {
-       hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
+       hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff);
 
-       hdmi_wp_video_stop(&hdmi.wp);
+       hdmi_wp_video_stop(&hdmi->wp);
 
-       dss_mgr_disable(&hdmi.output);
+       dss_mgr_disable(&hdmi->output);
 
-       hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
+       hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
 
-       dss_pll_disable(&hdmi.pll.pll);
+       dss_pll_disable(&hdmi->pll.pll);
 
-       hdmi_power_off_core(dssdev);
+       hdmi_power_off_core(hdmi);
 }
 
 static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
                                     struct videomode *vm)
 {
-       if (!dispc_mgr_timings_ok(hdmi.dss->dispc, dssdev->dispc_channel, vm))
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
+
+       if (!dispc_mgr_timings_ok(hdmi->dss->dispc, dssdev->dispc_channel, vm))
                return -EINVAL;
 
        return 0;
@@ -281,67 +282,73 @@ static int hdmi_display_check_timing(struct 
omap_dss_device *dssdev,
 static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
                                    struct videomode *vm)
 {
-       mutex_lock(&hdmi.lock);
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
+
+       mutex_lock(&hdmi->lock);
 
-       hdmi.cfg.vm = *vm;
+       hdmi->cfg.vm = *vm;
 
-       dispc_set_tv_pclk(hdmi.dss->dispc, vm->pixelclock);
+       dispc_set_tv_pclk(hdmi->dss->dispc, vm->pixelclock);
 
-       mutex_unlock(&hdmi.lock);
+       mutex_unlock(&hdmi->lock);
 }
 
 static void hdmi_display_get_timings(struct omap_dss_device *dssdev,
                                     struct videomode *vm)
 {
-       *vm = hdmi.cfg.vm;
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
+
+       *vm = hdmi->cfg.vm;
 }
 
 static int hdmi_dump_regs(struct seq_file *s, void *p)
 {
-       mutex_lock(&hdmi.lock);
+       struct omap_hdmi *hdmi = s->private;
+
+       mutex_lock(&hdmi->lock);
 
-       if (hdmi_runtime_get()) {
-               mutex_unlock(&hdmi.lock);
+       if (hdmi_runtime_get(hdmi)) {
+               mutex_unlock(&hdmi->lock);
                return 0;
        }
 
-       hdmi_wp_dump(&hdmi.wp, s);
-       hdmi_pll_dump(&hdmi.pll, s);
-       hdmi_phy_dump(&hdmi.phy, s);
-       hdmi5_core_dump(&hdmi.core, s);
+       hdmi_wp_dump(&hdmi->wp, s);
+       hdmi_pll_dump(&hdmi->pll, s);
+       hdmi_phy_dump(&hdmi->phy, s);
+       hdmi5_core_dump(&hdmi->core, s);
 
-       hdmi_runtime_put();
-       mutex_unlock(&hdmi.lock);
+       hdmi_runtime_put(hdmi);
+       mutex_unlock(&hdmi->lock);
        return 0;
 }
 
-static int read_edid(u8 *buf, int len)
+static int read_edid(struct omap_hdmi *hdmi, u8 *buf, int len)
 {
        int r;
        int idlemode;
 
-       mutex_lock(&hdmi.lock);
+       mutex_lock(&hdmi->lock);
 
-       r = hdmi_runtime_get();
+       r = hdmi_runtime_get(hdmi);
        BUG_ON(r);
 
-       idlemode = REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
+       idlemode = REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2);
        /* No-idle mode */
-       REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
+       REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
 
-       r = hdmi5_read_edid(&hdmi.core,  buf, len);
+       r = hdmi5_read_edid(&hdmi->core,  buf, len);
 
-       REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2);
+       REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2);
 
-       hdmi_runtime_put();
-       mutex_unlock(&hdmi.lock);
+       hdmi_runtime_put(hdmi);
+       mutex_unlock(&hdmi->lock);
 
        return r;
 }
 
 static void hdmi_start_audio_stream(struct omap_hdmi *hd)
 {
-       REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
+       REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
        hdmi_wp_audio_enable(&hd->wp, true);
        hdmi_wp_audio_core_req_enable(&hd->wp, true);
 }
@@ -355,111 +362,114 @@ static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
 
 static int hdmi_display_enable(struct omap_dss_device *dssdev)
 {
-       struct omap_dss_device *out = &hdmi.output;
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
        unsigned long flags;
        int r = 0;
 
        DSSDBG("ENTER hdmi_display_enable\n");
 
-       mutex_lock(&hdmi.lock);
+       mutex_lock(&hdmi->lock);
 
-       if (!out->dispc_channel_connected) {
+       if (!dssdev->dispc_channel_connected) {
                DSSERR("failed to enable display: no output/manager\n");
                r = -ENODEV;
                goto err0;
        }
 
-       r = hdmi_power_on_full(dssdev);
+       r = hdmi_power_on_full(hdmi);
        if (r) {
                DSSERR("failed to power on device\n");
                goto err0;
        }
 
-       if (hdmi.audio_configured) {
-               r = hdmi5_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config,
-                                      hdmi.cfg.vm.pixelclock);
+       if (hdmi->audio_configured) {
+               r = hdmi5_audio_config(&hdmi->core, &hdmi->wp,
+                                      &hdmi->audio_config,
+                                      hdmi->cfg.vm.pixelclock);
                if (r) {
                        DSSERR("Error restoring audio configuration: %d", r);
-                       hdmi.audio_abort_cb(&hdmi.pdev->dev);
-                       hdmi.audio_configured = false;
+                       hdmi->audio_abort_cb(&hdmi->pdev->dev);
+                       hdmi->audio_configured = false;
                }
        }
 
-       spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
-       if (hdmi.audio_configured && hdmi.audio_playing)
-               hdmi_start_audio_stream(&hdmi);
-       hdmi.display_enabled = true;
-       spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
+       spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
+       if (hdmi->audio_configured && hdmi->audio_playing)
+               hdmi_start_audio_stream(hdmi);
+       hdmi->display_enabled = true;
+       spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
 
-       mutex_unlock(&hdmi.lock);
+       mutex_unlock(&hdmi->lock);
        return 0;
 
 err0:
-       mutex_unlock(&hdmi.lock);
+       mutex_unlock(&hdmi->lock);
        return r;
 }
 
 static void hdmi_display_disable(struct omap_dss_device *dssdev)
 {
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
        unsigned long flags;
 
        DSSDBG("Enter hdmi_display_disable\n");
 
-       mutex_lock(&hdmi.lock);
+       mutex_lock(&hdmi->lock);
 
-       spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
-       hdmi_stop_audio_stream(&hdmi);
-       hdmi.display_enabled = false;
-       spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
+       spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
+       hdmi_stop_audio_stream(hdmi);
+       hdmi->display_enabled = false;
+       spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
 
-       hdmi_power_off_full(dssdev);
+       hdmi_power_off_full(hdmi);
 
-       mutex_unlock(&hdmi.lock);
+       mutex_unlock(&hdmi->lock);
 }
 
-static int hdmi_core_enable(struct omap_dss_device *dssdev)
+static int hdmi_core_enable(struct omap_hdmi *hdmi)
 {
        int r = 0;
 
        DSSDBG("ENTER omapdss_hdmi_core_enable\n");
 
-       mutex_lock(&hdmi.lock);
+       mutex_lock(&hdmi->lock);
 
-       r = hdmi_power_on_core(dssdev);
+       r = hdmi_power_on_core(hdmi);
        if (r) {
                DSSERR("failed to power on device\n");
                goto err0;
        }
 
-       mutex_unlock(&hdmi.lock);
+       mutex_unlock(&hdmi->lock);
        return 0;
 
 err0:
-       mutex_unlock(&hdmi.lock);
+       mutex_unlock(&hdmi->lock);
        return r;
 }
 
-static void hdmi_core_disable(struct omap_dss_device *dssdev)
+static void hdmi_core_disable(struct omap_hdmi *hdmi)
 {
        DSSDBG("Enter omapdss_hdmi_core_disable\n");
 
-       mutex_lock(&hdmi.lock);
+       mutex_lock(&hdmi->lock);
 
-       hdmi_power_off_core(dssdev);
+       hdmi_power_off_core(hdmi);
 
-       mutex_unlock(&hdmi.lock);
+       mutex_unlock(&hdmi->lock);
 }
 
 static int hdmi_connect(struct omap_dss_device *dssdev,
                struct omap_dss_device *dst)
 {
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
        int r;
 
-       r = hdmi_init_regulator();
+       r = hdmi_init_regulator(hdmi);
        if (r)
                return r;
 
-       r = dss_mgr_connect(&hdmi.output, dssdev);
+       r = dss_mgr_connect(&hdmi->output, dssdev);
        if (r)
                return r;
 
@@ -467,7 +477,7 @@ static int hdmi_connect(struct omap_dss_device *dssdev,
        if (r) {
                DSSERR("failed to connect output to new device: %s\n",
                                dst->name);
-               dss_mgr_disconnect(&hdmi.output, dssdev);
+               dss_mgr_disconnect(&hdmi->output, dssdev);
                return r;
        }
 
@@ -477,6 +487,8 @@ static int hdmi_connect(struct omap_dss_device *dssdev,
 static void hdmi_disconnect(struct omap_dss_device *dssdev,
                struct omap_dss_device *dst)
 {
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
+
        WARN_ON(dst != dssdev->dst);
 
        if (dst != dssdev->dst)
@@ -484,27 +496,28 @@ static void hdmi_disconnect(struct omap_dss_device 
*dssdev,
 
        omapdss_output_unset_device(dssdev);
 
-       dss_mgr_disconnect(&hdmi.output, dssdev);
+       dss_mgr_disconnect(&hdmi->output, dssdev);
 }
 
 static int hdmi_read_edid(struct omap_dss_device *dssdev,
                u8 *edid, int len)
 {
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
        bool need_enable;
        int r;
 
-       need_enable = hdmi.core_enabled == false;
+       need_enable = hdmi->core_enabled == false;
 
        if (need_enable) {
-               r = hdmi_core_enable(dssdev);
+               r = hdmi_core_enable(hdmi);
                if (r)
                        return r;
        }
 
-       r = read_edid(edid, len);
+       r = read_edid(hdmi, edid, len);
 
        if (need_enable)
-               hdmi_core_disable(dssdev);
+               hdmi_core_disable(hdmi);
 
        return r;
 }
@@ -512,14 +525,18 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev,
 static int hdmi_set_infoframe(struct omap_dss_device *dssdev,
                const struct hdmi_avi_infoframe *avi)
 {
-       hdmi.cfg.infoframe = *avi;
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
+
+       hdmi->cfg.infoframe = *avi;
        return 0;
 }
 
 static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev,
                bool hdmi_mode)
 {
-       hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;
+       struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
+
+       hdmi->cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;
        return 0;
 }
 
@@ -539,11 +556,11 @@ static const struct omapdss_hdmi_ops hdmi_ops = {
        .set_hdmi_mode          = hdmi_set_hdmi_mode,
 };
 
-static void hdmi_init_output(struct platform_device *pdev)
+static void hdmi_init_output(struct omap_hdmi *hdmi)
 {
-       struct omap_dss_device *out = &hdmi.output;
+       struct omap_dss_device *out = &hdmi->output;
 
-       out->dev = &pdev->dev;
+       out->dev = &hdmi->pdev->dev;
        out->id = OMAP_DSS_OUTPUT_HDMI;
        out->output_type = OMAP_DISPLAY_TYPE_HDMI;
        out->name = "hdmi.0";
@@ -554,15 +571,16 @@ static void hdmi_init_output(struct platform_device *pdev)
        omapdss_register_output(out);
 }
 
-static void hdmi_uninit_output(struct platform_device *pdev)
+static void hdmi_uninit_output(struct omap_hdmi *hdmi)
 {
-       struct omap_dss_device *out = &hdmi.output;
+       struct omap_dss_device *out = &hdmi->output;
 
        omapdss_unregister_output(out);
 }
 
-static int hdmi_probe_of(struct platform_device *pdev)
+static int hdmi_probe_of(struct omap_hdmi *hdmi)
 {
+       struct platform_device *pdev = hdmi->pdev;
        struct device_node *node = pdev->dev.of_node;
        struct device_node *ep;
        int r;
@@ -571,7 +589,7 @@ static int hdmi_probe_of(struct platform_device *pdev)
        if (!ep)
                return 0;
 
-       r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy);
+       r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy);
        if (r)
                goto err;
 
@@ -685,26 +703,26 @@ static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
        .audio_config = hdmi_audio_config,
 };
 
-static int hdmi_audio_register(struct device *dev)
+static int hdmi_audio_register(struct omap_hdmi *hdmi)
 {
        struct omap_hdmi_audio_pdata pdata = {
-               .dev = dev,
+               .dev = &hdmi->pdev->dev,
                .version = 5,
-               .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
+               .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi->wp),
                .ops = &hdmi_audio_ops,
        };
 
-       hdmi.audio_pdev = platform_device_register_data(
-               dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
+       hdmi->audio_pdev = platform_device_register_data(
+               &hdmi->pdev->dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
                &pdata, sizeof(pdata));
 
-       if (IS_ERR(hdmi.audio_pdev))
-               return PTR_ERR(hdmi.audio_pdev);
+       if (IS_ERR(hdmi->audio_pdev))
+               return PTR_ERR(hdmi->audio_pdev);
 
-       hdmi_runtime_get();
-       hdmi.wp_idlemode =
-               REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
-       hdmi_runtime_put();
+       hdmi_runtime_get(hdmi);
+       hdmi->wp_idlemode =
+               REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2);
+       hdmi_runtime_put(hdmi);
 
        return 0;
 }
@@ -714,86 +732,96 @@ static int hdmi5_bind(struct device *dev, struct device 
*master, void *data)
 {
        struct platform_device *pdev = to_platform_device(dev);
        struct dss_device *dss = dss_get_device(master);
+       struct omap_hdmi *hdmi;
        int r;
        int irq;
 
-       hdmi.pdev = pdev;
-       hdmi.dss = dss;
-       dev_set_drvdata(&pdev->dev, &hdmi);
+       hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
+       if (!hdmi)
+               return -ENOMEM;
+
+       hdmi->pdev = pdev;
+       hdmi->dss = dss;
+       dev_set_drvdata(&pdev->dev, hdmi);
 
-       mutex_init(&hdmi.lock);
-       spin_lock_init(&hdmi.audio_playing_lock);
+       mutex_init(&hdmi->lock);
+       spin_lock_init(&hdmi->audio_playing_lock);
 
-       r = hdmi_probe_of(pdev);
+       r = hdmi_probe_of(hdmi);
        if (r)
-               return r;
+               goto err_free;
 
-       r = hdmi_wp_init(pdev, &hdmi.wp, 5);
+       r = hdmi_wp_init(pdev, &hdmi->wp, 5);
        if (r)
-               return r;
+               goto err_free;
 
-       r = hdmi_pll_init(dss, pdev, &hdmi.pll, &hdmi.wp);
+       r = hdmi_pll_init(dss, pdev, &hdmi->pll, &hdmi->wp);
        if (r)
-               return r;
+               goto err_free;
 
-       r = hdmi_phy_init(pdev, &hdmi.phy, 5);
+       r = hdmi_phy_init(pdev, &hdmi->phy, 5);
        if (r)
-               goto err;
+               goto err_pll;
 
-       r = hdmi5_core_init(pdev, &hdmi.core);
+       r = hdmi5_core_init(pdev, &hdmi->core);
        if (r)
-               goto err;
+               goto err_pll;
 
        irq = platform_get_irq(pdev, 0);
        if (irq < 0) {
                DSSERR("platform_get_irq failed\n");
                r = -ENODEV;
-               goto err;
+               goto err_pll;
        }
 
        r = devm_request_threaded_irq(&pdev->dev, irq,
                        NULL, hdmi_irq_handler,
-                       IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);
+                       IRQF_ONESHOT, "OMAP HDMI", hdmi);
        if (r) {
                DSSERR("HDMI IRQ request failed\n");
-               goto err;
+               goto err_pll;
        }
 
        pm_runtime_enable(&pdev->dev);
 
-       hdmi_init_output(pdev);
+       hdmi_init_output(hdmi);
 
-       r = hdmi_audio_register(&pdev->dev);
+       r = hdmi_audio_register(hdmi);
        if (r) {
                DSSERR("Registering HDMI audio failed %d\n", r);
-               hdmi_uninit_output(pdev);
+               hdmi_uninit_output(hdmi);
                pm_runtime_disable(&pdev->dev);
                return r;
        }
 
-       hdmi.debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
-                                              &hdmi);
+       hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
+                                               hdmi);
 
        return 0;
-err:
-       hdmi_pll_uninit(&hdmi.pll);
+
+err_pll:
+       hdmi_pll_uninit(&hdmi->pll);
+err_free:
+       kfree(hdmi);
        return r;
 }
 
 static void hdmi5_unbind(struct device *dev, struct device *master, void *data)
 {
-       struct platform_device *pdev = to_platform_device(dev);
+       struct omap_hdmi *hdmi = dev_get_drvdata(dev);
+
+       dss_debugfs_remove_file(hdmi->debugfs);
 
-       dss_debugfs_remove_file(hdmi.debugfs);
+       if (hdmi->audio_pdev)
+               platform_device_unregister(hdmi->audio_pdev);
 
-       if (hdmi.audio_pdev)
-               platform_device_unregister(hdmi.audio_pdev);
+       hdmi_uninit_output(hdmi);
 
-       hdmi_uninit_output(pdev);
+       hdmi_pll_uninit(&hdmi->pll);
 
-       hdmi_pll_uninit(&hdmi.pll);
+       pm_runtime_disable(dev);
 
-       pm_runtime_disable(&pdev->dev);
+       kfree(hdmi);
 }
 
 static const struct component_ops hdmi5_component_ops = {
-- 
Regards,

Laurent Pinchart

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