diff options
Diffstat (limited to 'target/linux/generic/backport-5.4')
17 files changed, 38 insertions, 321 deletions
diff --git a/target/linux/generic/backport-5.4/393-v5.5-sch_cake-drop-unused-variable-tin_quantum_prio.patch b/target/linux/generic/backport-5.4/393-v5.5-sch_cake-drop-unused-variable-tin_quantum_prio.patch index 2be0d36392..8f6406c290 100644 --- a/target/linux/generic/backport-5.4/393-v5.5-sch_cake-drop-unused-variable-tin_quantum_prio.patch +++ b/target/linux/generic/backport-5.4/393-v5.5-sch_cake-drop-unused-variable-tin_quantum_prio.patch @@ -32,7 +32,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> s32 tin_deficit; u32 tin_backlog; u32 tin_dropped; -@@ -1919,7 +1918,7 @@ begin: +@@ -1943,7 +1942,7 @@ begin: while (b->tin_deficit < 0 || !(b->sparse_flow_count + b->bulk_flow_count)) { if (b->tin_deficit <= 0) @@ -41,7 +41,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> if (b->sparse_flow_count + b->bulk_flow_count) empty = false; -@@ -2241,8 +2240,7 @@ static int cake_config_besteffort(struct +@@ -2265,8 +2264,7 @@ static int cake_config_besteffort(struct cake_set_rate(b, rate, mtu, us_to_ns(q->target), us_to_ns(q->interval)); @@ -51,7 +51,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> return 0; } -@@ -2253,8 +2251,7 @@ static int cake_config_precedence(struct +@@ -2277,8 +2275,7 @@ static int cake_config_precedence(struct struct cake_sched_data *q = qdisc_priv(sch); u32 mtu = psched_mtu(qdisc_dev(sch)); u64 rate = q->rate_bps; @@ -61,7 +61,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> u32 i; q->tin_cnt = 8; -@@ -2267,18 +2264,14 @@ static int cake_config_precedence(struct +@@ -2291,18 +2288,14 @@ static int cake_config_precedence(struct cake_set_rate(b, rate, mtu, us_to_ns(q->target), us_to_ns(q->interval)); @@ -83,7 +83,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> } return 0; -@@ -2347,8 +2340,7 @@ static int cake_config_diffserv8(struct +@@ -2371,8 +2364,7 @@ static int cake_config_diffserv8(struct struct cake_sched_data *q = qdisc_priv(sch); u32 mtu = psched_mtu(qdisc_dev(sch)); u64 rate = q->rate_bps; @@ -93,7 +93,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> u32 i; q->tin_cnt = 8; -@@ -2364,18 +2356,14 @@ static int cake_config_diffserv8(struct +@@ -2388,18 +2380,14 @@ static int cake_config_diffserv8(struct cake_set_rate(b, rate, mtu, us_to_ns(q->target), us_to_ns(q->interval)); @@ -115,7 +115,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> } return 0; -@@ -2414,17 +2402,11 @@ static int cake_config_diffserv4(struct +@@ -2438,17 +2426,11 @@ static int cake_config_diffserv4(struct cake_set_rate(&q->tins[3], rate >> 2, mtu, us_to_ns(q->target), us_to_ns(q->interval)); @@ -137,7 +137,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> return 0; } -@@ -2455,15 +2437,10 @@ static int cake_config_diffserv3(struct +@@ -2479,15 +2461,10 @@ static int cake_config_diffserv3(struct cake_set_rate(&q->tins[2], rate >> 2, mtu, us_to_ns(q->target), us_to_ns(q->interval)); diff --git a/target/linux/generic/backport-5.4/396-5.8-sch_cake-don-t-try-to-reallocate-or-unshare-skb-unco.patch b/target/linux/generic/backport-5.4/396-5.8-sch_cake-don-t-try-to-reallocate-or-unshare-skb-unco.patch deleted file mode 100644 index a36095c26c..0000000000 --- a/target/linux/generic/backport-5.4/396-5.8-sch_cake-don-t-try-to-reallocate-or-unshare-skb-unco.patch +++ /dev/null @@ -1,96 +0,0 @@ -From 9208d2863ac689a563b92f2161d8d1e7127d0add Mon Sep 17 00:00:00 2001 -From: Ilya Ponetayev <i.ponetaev@ndmsystems.com> -Date: Thu, 25 Jun 2020 22:12:07 +0200 -Subject: [PATCH] sch_cake: don't try to reallocate or unshare skb - unconditionally -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -cake_handle_diffserv() tries to linearize mac and network header parts of -skb and to make it writable unconditionally. In some cases it leads to full -skb reallocation, which reduces throughput and increases CPU load. Some -measurements of IPv4 forward + NAPT on MIPS router with 580 MHz single-core -CPU was conducted. It appears that on kernel 4.9 skb_try_make_writable() -reallocates skb, if skb was allocated in ethernet driver via so-called -'build skb' method from page cache (it was discovered by strange increase -of kmalloc-2048 slab at first). - -Obtain DSCP value via read-only skb_header_pointer() call, and leave -linearization only for DSCP bleaching or ECN CE setting. And, as an -additional optimisation, skip diffserv parsing entirely if it is not needed -by the current configuration. - -Fixes: c87b4ecdbe8d ("sch_cake: Make sure we can write the IP header before changing DSCP bits") -Signed-off-by: Ilya Ponetayev <i.ponetaev@ndmsystems.com> -[ fix a few style issues, reflow commit message ] -Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> -Signed-off-by: David S. Miller <davem@davemloft.net> -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - net/sched/sch_cake.c | 41 ++++++++++++++++++++++++++++++----------- - 1 file changed, 30 insertions(+), 11 deletions(-) - ---- a/net/sched/sch_cake.c -+++ b/net/sched/sch_cake.c -@@ -1553,30 +1553,49 @@ static unsigned int cake_drop(struct Qdi - - static u8 cake_handle_diffserv(struct sk_buff *skb, u16 wash) - { -- int wlen = skb_network_offset(skb); -+ const int offset = skb_network_offset(skb); -+ u16 *buf, buf_; - u8 dscp; - - switch (tc_skb_protocol(skb)) { - case htons(ETH_P_IP): -- wlen += sizeof(struct iphdr); -- if (!pskb_may_pull(skb, wlen) || -- skb_try_make_writable(skb, wlen)) -+ buf = skb_header_pointer(skb, offset, sizeof(buf_), &buf_); -+ if (unlikely(!buf)) - return 0; - -- dscp = ipv4_get_dsfield(ip_hdr(skb)) >> 2; -- if (wash && dscp) -+ /* ToS is in the second byte of iphdr */ -+ dscp = ipv4_get_dsfield((struct iphdr *)buf) >> 2; -+ -+ if (wash && dscp) { -+ const int wlen = offset + sizeof(struct iphdr); -+ -+ if (!pskb_may_pull(skb, wlen) || -+ skb_try_make_writable(skb, wlen)) -+ return 0; -+ - ipv4_change_dsfield(ip_hdr(skb), INET_ECN_MASK, 0); -+ } -+ - return dscp; - - case htons(ETH_P_IPV6): -- wlen += sizeof(struct ipv6hdr); -- if (!pskb_may_pull(skb, wlen) || -- skb_try_make_writable(skb, wlen)) -+ buf = skb_header_pointer(skb, offset, sizeof(buf_), &buf_); -+ if (unlikely(!buf)) - return 0; - -- dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> 2; -- if (wash && dscp) -+ /* Traffic class is in the first and second bytes of ipv6hdr */ -+ dscp = ipv6_get_dsfield((struct ipv6hdr *)buf) >> 2; -+ -+ if (wash && dscp) { -+ const int wlen = offset + sizeof(struct ipv6hdr); -+ -+ if (!pskb_may_pull(skb, wlen) || -+ skb_try_make_writable(skb, wlen)) -+ return 0; -+ - ipv6_change_dsfield(ipv6_hdr(skb), INET_ECN_MASK, 0); -+ } -+ - return dscp; - - case htons(ETH_P_ARP): diff --git a/target/linux/generic/backport-5.4/397-5.8-sch_cake-don-t-call-diffserv-parsing-code-when-it-is.patch b/target/linux/generic/backport-5.4/397-5.8-sch_cake-don-t-call-diffserv-parsing-code-when-it-is.patch deleted file mode 100644 index 2d9cd29780..0000000000 --- a/target/linux/generic/backport-5.4/397-5.8-sch_cake-don-t-call-diffserv-parsing-code-when-it-is.patch +++ /dev/null @@ -1,62 +0,0 @@ -From 8c95eca0bb8c4bd2231a0d581f1ad0d50c90488c Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com> -Date: Thu, 25 Jun 2020 22:12:08 +0200 -Subject: [PATCH] sch_cake: don't call diffserv parsing code when it is not - needed -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -As a further optimisation of the diffserv parsing codepath, we can skip it -entirely if CAKE is configured to neither use diffserv-based -classification, nor to zero out the diffserv bits. - -Fixes: c87b4ecdbe8d ("sch_cake: Make sure we can write the IP header before changing DSCP bits") -Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> -Signed-off-by: David S. Miller <davem@davemloft.net> -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - net/sched/sch_cake.c | 13 +++++++++---- - 1 file changed, 9 insertions(+), 4 deletions(-) - ---- a/net/sched/sch_cake.c -+++ b/net/sched/sch_cake.c -@@ -1551,7 +1551,7 @@ static unsigned int cake_drop(struct Qdi - return idx + (tin << 16); - } - --static u8 cake_handle_diffserv(struct sk_buff *skb, u16 wash) -+static u8 cake_handle_diffserv(struct sk_buff *skb, bool wash) - { - const int offset = skb_network_offset(skb); - u16 *buf, buf_; -@@ -1612,14 +1612,17 @@ static struct cake_tin_data *cake_select - { - struct cake_sched_data *q = qdisc_priv(sch); - u32 tin, mark; -+ bool wash; - u8 dscp; - - /* Tin selection: Default to diffserv-based selection, allow overriding -- * using firewall marks or skb->priority. -+ * using firewall marks or skb->priority. Call DSCP parsing early if -+ * wash is enabled, otherwise defer to below to skip unneeded parsing. - */ -- dscp = cake_handle_diffserv(skb, -- q->rate_flags & CAKE_FLAG_WASH); - mark = (skb->mark & q->fwmark_mask) >> q->fwmark_shft; -+ wash = !!(q->rate_flags & CAKE_FLAG_WASH); -+ if (wash) -+ dscp = cake_handle_diffserv(skb, wash); - - if (q->tin_mode == CAKE_DIFFSERV_BESTEFFORT) - tin = 0; -@@ -1633,6 +1636,8 @@ static struct cake_tin_data *cake_select - tin = q->tin_order[TC_H_MIN(skb->priority) - 1]; - - else { -+ if (!wash) -+ dscp = cake_handle_diffserv(skb, wash); - tin = q->tin_index[dscp]; - - if (unlikely(tin >= q->tin_cnt)) diff --git a/target/linux/generic/backport-5.4/398-5.8-sch_cake-fix-a-few-style-nits.patch b/target/linux/generic/backport-5.4/398-5.8-sch_cake-fix-a-few-style-nits.patch deleted file mode 100644 index 1160489efb..0000000000 --- a/target/linux/generic/backport-5.4/398-5.8-sch_cake-fix-a-few-style-nits.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 3f608f0c41360b11b04c763f348b712f651c8bac Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com> -Date: Thu, 25 Jun 2020 22:12:09 +0200 -Subject: [PATCH] sch_cake: fix a few style nits -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -I spotted a few nits when comparing the in-tree version of sch_cake with -the out-of-tree one: A redundant error variable declaration shadowing an -outer declaration, and an indentation alignment issue. Fix both of these. - -Fixes: 046f6fd5daef ("sched: Add Common Applications Kept Enhanced (cake) qdisc") -Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> -Signed-off-by: David S. Miller <davem@davemloft.net> -Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk> ---- - net/sched/sch_cake.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - ---- a/net/sched/sch_cake.c -+++ b/net/sched/sch_cake.c -@@ -2717,7 +2717,7 @@ static int cake_init(struct Qdisc *sch, - qdisc_watchdog_init(&q->watchdog, sch); - - if (opt) { -- int err = cake_change(sch, opt, extack); -+ err = cake_change(sch, opt, extack); - - if (err) - return err; -@@ -3034,7 +3034,7 @@ static int cake_dump_class_stats(struct - PUT_STAT_S32(BLUE_TIMER_US, - ktime_to_us( - ktime_sub(now, -- flow->cvars.blue_timer))); -+ flow->cvars.blue_timer))); - } - if (flow->cvars.dropping) { - PUT_STAT_S32(DROP_NEXT_US, diff --git a/target/linux/generic/backport-5.4/737-v5.5-net-phy-add-core-phylib-sfp-support.patch b/target/linux/generic/backport-5.4/737-v5.5-net-phy-add-core-phylib-sfp-support.patch index 23230abfbb..6ee99b4791 100644 --- a/target/linux/generic/backport-5.4/737-v5.5-net-phy-add-core-phylib-sfp-support.patch +++ b/target/linux/generic/backport-5.4/737-v5.5-net-phy-add-core-phylib-sfp-support.patch @@ -54,7 +54,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> #include <linux/mdio.h> #include <linux/io.h> #include <linux/uaccess.h> -@@ -1183,6 +1184,65 @@ phy_standalone_show(struct device *dev, +@@ -1185,6 +1186,65 @@ phy_standalone_show(struct device *dev, static DEVICE_ATTR_RO(phy_standalone); /** @@ -120,7 +120,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> * phy_attach_direct - attach a network device to a given PHY device pointer * @dev: network device to attach * @phydev: Pointer to phy_device to attach -@@ -1259,6 +1319,9 @@ int phy_attach_direct(struct net_device +@@ -1261,6 +1321,9 @@ int phy_attach_direct(struct net_device dev->phydev = phydev; } @@ -130,7 +130,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> /* Some Ethernet drivers try to connect to a PHY device before * calling register_netdevice() -> netdev_register_kobject() and * does the dev->dev.kobj initialization. Here we only check for -@@ -2287,6 +2350,9 @@ static int phy_remove(struct device *dev +@@ -2289,6 +2352,9 @@ static int phy_remove(struct device *dev phydev->state = PHY_DOWN; mutex_unlock(&phydev->lock); diff --git a/target/linux/generic/backport-5.4/750-v5.5-net-phy-add-support-for-clause-37-auto-negotiation.patch b/target/linux/generic/backport-5.4/750-v5.5-net-phy-add-support-for-clause-37-auto-negotiation.patch index 855c4d2aac..f03cd2a984 100644 --- a/target/linux/generic/backport-5.4/750-v5.5-net-phy-add-support-for-clause-37-auto-negotiation.patch +++ b/target/linux/generic/backport-5.4/750-v5.5-net-phy-add-support-for-clause-37-auto-negotiation.patch @@ -20,7 +20,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c -@@ -1679,6 +1679,40 @@ static int genphy_config_advert(struct p +@@ -1681,6 +1681,40 @@ static int genphy_config_advert(struct p } /** @@ -61,7 +61,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> * genphy_config_eee_advert - disable unwanted eee mode advertisement * @phydev: target phy_device struct * -@@ -1787,6 +1821,54 @@ int __genphy_config_aneg(struct phy_devi +@@ -1789,6 +1823,54 @@ int __genphy_config_aneg(struct phy_devi EXPORT_SYMBOL(__genphy_config_aneg); /** @@ -116,7 +116,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net> * genphy_aneg_done - return auto-negotiation status * @phydev: target phy_device struct * -@@ -1958,6 +2040,63 @@ int genphy_read_status(struct phy_device +@@ -1960,6 +2042,63 @@ int genphy_read_status(struct phy_device EXPORT_SYMBOL(genphy_read_status); /** diff --git a/target/linux/generic/backport-5.4/803-v5.8-i2c-pxa-use-official-address-byte-helper.patch b/target/linux/generic/backport-5.4/803-v5.8-i2c-pxa-use-official-address-byte-helper.patch index c20a00c7f4..a937b52d9d 100644 --- a/target/linux/generic/backport-5.4/803-v5.8-i2c-pxa-use-official-address-byte-helper.patch +++ b/target/linux/generic/backport-5.4/803-v5.8-i2c-pxa-use-official-address-byte-helper.patch @@ -18,7 +18,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c -@@ -675,16 +675,6 @@ static void i2c_pxa_slave_stop(struct px +@@ -674,16 +674,6 @@ static void i2c_pxa_slave_stop(struct px * PXA I2C Master mode */ @@ -35,7 +35,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> static inline void i2c_pxa_start_message(struct pxa_i2c *i2c) { u32 icr; -@@ -692,8 +682,8 @@ static inline void i2c_pxa_start_message +@@ -691,8 +681,8 @@ static inline void i2c_pxa_start_message /* * Step 1: target slave address into IDBR */ @@ -46,7 +46,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> /* * Step 2: initiate the write. -@@ -1006,8 +996,8 @@ static void i2c_pxa_irq_txempty(struct p +@@ -1003,8 +993,8 @@ static void i2c_pxa_irq_txempty(struct p /* * Write the next address. */ diff --git a/target/linux/generic/backport-5.4/806-v5.8-i2c-pxa-re-arrange-functions-to-flow-better.patch b/target/linux/generic/backport-5.4/806-v5.8-i2c-pxa-re-arrange-functions-to-flow-better.patch index ff631cf352..9f09f9dacb 100644 --- a/target/linux/generic/backport-5.4/806-v5.8-i2c-pxa-re-arrange-functions-to-flow-better.patch +++ b/target/linux/generic/backport-5.4/806-v5.8-i2c-pxa-re-arrange-functions-to-flow-better.patch @@ -18,7 +18,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c -@@ -327,7 +327,6 @@ static void i2c_pxa_scream_blue_murder(s +@@ -326,7 +326,6 @@ static void i2c_pxa_scream_blue_murder(s #endif /* ifdef DEBUG / else */ static void i2c_pxa_master_complete(struct pxa_i2c *i2c, int ret); @@ -26,7 +26,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> static inline int i2c_pxa_is_slavemode(struct pxa_i2c *i2c) { -@@ -700,34 +699,6 @@ static inline void i2c_pxa_stop_message( +@@ -697,34 +696,6 @@ static inline void i2c_pxa_stop_message( writel(icr, _ICR(i2c)); } @@ -61,7 +61,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> /* * PXA I2C send master code * 1. Load master code to IDBR and send it. -@@ -756,140 +727,6 @@ static int i2c_pxa_send_mastercode(struc +@@ -753,140 +724,6 @@ static int i2c_pxa_send_mastercode(struc return (timeout == 0) ? I2C_RETRY : 0; } @@ -202,7 +202,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> /* * i2c_pxa_master_complete - complete the message and wake up. */ -@@ -1096,6 +933,71 @@ static irqreturn_t i2c_pxa_handler(int t +@@ -1093,6 +930,71 @@ static irqreturn_t i2c_pxa_handler(int t return IRQ_HANDLED; } @@ -274,7 +274,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> static int i2c_pxa_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) { -@@ -1129,6 +1031,103 @@ static const struct i2c_algorithm i2c_px +@@ -1126,6 +1028,103 @@ static const struct i2c_algorithm i2c_px .functionality = i2c_pxa_functionality, }; diff --git a/target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch b/target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch index 16518b0e66..f197808d23 100644 --- a/target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch +++ b/target/linux/generic/backport-5.4/808-v5.8-i2c-pxa-add-and-use-definitions-for-IBMR-register.patch @@ -27,7 +27,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> #define ICR_START (1 << 0) /* start bit */ #define ICR_STOP (1 << 1) /* stop bit */ #define ICR_ACKNAK (1 << 2) /* send ACK(0) or NAK(1) */ -@@ -335,7 +338,7 @@ static void i2c_pxa_abort(struct pxa_i2c +@@ -334,7 +337,7 @@ static void i2c_pxa_abort(struct pxa_i2c return; } @@ -36,7 +36,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> unsigned long icr = readl(_ICR(i2c)); icr &= ~ICR_START; -@@ -390,7 +393,8 @@ static int i2c_pxa_wait_master(struct px +@@ -389,7 +392,8 @@ static int i2c_pxa_wait_master(struct px * quick check of the i2c lines themselves to ensure they've * gone high... */ @@ -46,7 +46,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> if (i2c_debug > 0) dev_dbg(&i2c->adap.dev, "%s: done\n", __func__); return 1; -@@ -575,7 +579,7 @@ static void i2c_pxa_slave_start(struct p +@@ -574,7 +578,7 @@ static void i2c_pxa_slave_start(struct p timeout = 0x10000; while (1) { @@ -55,7 +55,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> break; timeout--; -@@ -638,7 +642,7 @@ static void i2c_pxa_slave_start(struct p +@@ -637,7 +641,7 @@ static void i2c_pxa_slave_start(struct p timeout = 0x10000; while (1) { diff --git a/target/linux/generic/backport-5.4/809-v5.8-i2c-pxa-always-set-fm-and-hs-members-for-each-type.patch b/target/linux/generic/backport-5.4/809-v5.8-i2c-pxa-always-set-fm-and-hs-members-for-each-type.patch index 9809d1dbbb..9b1dee62ce 100644 --- a/target/linux/generic/backport-5.4/809-v5.8-i2c-pxa-always-set-fm-and-hs-members-for-each-type.patch +++ b/target/linux/generic/backport-5.4/809-v5.8-i2c-pxa-always-set-fm-and-hs-members-for-each-type.patch @@ -53,7 +53,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> }, [REGS_A3700] = { .ibmr = 0x00, -@@ -1232,8 +1240,8 @@ static int i2c_pxa_probe(struct platform +@@ -1229,8 +1237,8 @@ static int i2c_pxa_probe(struct platform i2c->reg_idbr = i2c->reg_base + pxa_reg_layout[i2c_type].idbr; i2c->reg_icr = i2c->reg_base + pxa_reg_layout[i2c_type].icr; i2c->reg_isr = i2c->reg_base + pxa_reg_layout[i2c_type].isr; diff --git a/target/linux/generic/backport-5.4/811-v5.8-i2c-pxa-move-DT-IDs-along-side-platform-IDs.patch b/target/linux/generic/backport-5.4/811-v5.8-i2c-pxa-move-DT-IDs-along-side-platform-IDs.patch index 70ef8f35ab..02565229d8 100644 --- a/target/linux/generic/backport-5.4/811-v5.8-i2c-pxa-move-DT-IDs-along-side-platform-IDs.patch +++ b/target/linux/generic/backport-5.4/811-v5.8-i2c-pxa-move-DT-IDs-along-side-platform-IDs.patch @@ -32,7 +32,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> static const struct platform_device_id i2c_pxa_id_table[] = { { "pxa2xx-i2c", REGS_PXA2XX }, { "pxa3xx-pwri2c", REGS_PXA3XX }, -@@ -1181,15 +1190,6 @@ static const struct i2c_algorithm i2c_px +@@ -1178,15 +1187,6 @@ static const struct i2c_algorithm i2c_px .functionality = i2c_pxa_functionality, }; diff --git a/target/linux/generic/backport-5.4/812-v5.8-i2c-pxa-fix-i2c_pxa_scream_blue_murder-debug-output.patch b/target/linux/generic/backport-5.4/812-v5.8-i2c-pxa-fix-i2c_pxa_scream_blue_murder-debug-output.patch deleted file mode 100644 index 0afb29472b..0000000000 --- a/target/linux/generic/backport-5.4/812-v5.8-i2c-pxa-fix-i2c_pxa_scream_blue_murder-debug-output.patch +++ /dev/null @@ -1,47 +0,0 @@ -From: Russell King <rmk+kernel@armlinux.org.uk> -Bcc: linux@mail.armlinux.org.uk -Cc: linux-i2c@vger.kernel.org -Subject: [PATCH 10/17] i2c: pxa: fix i2c_pxa_scream_blue_murder() debug output -MIME-Version: 1.0 -Content-Disposition: inline -Content-Transfer-Encoding: 8bit -Content-Type: text/plain; charset="utf-8" - -The IRQ log output is supposed to appear on a single line. However, -commit 3a2dc1677b60 ("i2c: pxa: Update debug function to dump more info -on error") resulted in it being printed one-entry-per-line, which is -excessively long. - -Fixing this is not a trivial matter; using pr_cont() doesn't work as -the previous dev_dbg() may not have been compiled in, or may be -dynamic. - -Since the rest of this function output is at error level, and is also -debug output, promote this to error level as well to avoid this -problem. - -Reduce the number of always zero prefix digits to save screen real- -estate. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/i2c/busses/i2c-pxa.c | 7 +++---- - 1 file changed, 3 insertions(+), 4 deletions(-) - ---- a/drivers/i2c/busses/i2c-pxa.c -+++ b/drivers/i2c/busses/i2c-pxa.c -@@ -364,11 +364,10 @@ static void i2c_pxa_scream_blue_murder(s - dev_err(dev, "IBMR: %08x IDBR: %08x ICR: %08x ISR: %08x\n", - readl(_IBMR(i2c)), readl(_IDBR(i2c)), readl(_ICR(i2c)), - readl(_ISR(i2c))); -- dev_dbg(dev, "log: "); -+ dev_err(dev, "log:"); - for (i = 0; i < i2c->irqlogidx; i++) -- pr_debug("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]); -- -- pr_debug("\n"); -+ pr_cont(" [%03x:%05x]", i2c->isrlog[i], i2c->icrlog[i]); -+ pr_cont("\n"); - } - - #else /* ifdef DEBUG */ diff --git a/target/linux/generic/backport-5.4/815-v5.8-i2c-pxa-consolidate-i2c_pxa_-xfer-implementations.patch b/target/linux/generic/backport-5.4/815-v5.8-i2c-pxa-consolidate-i2c_pxa_-xfer-implementations.patch index d5fb1d2cbe..2debd4c86b 100644 --- a/target/linux/generic/backport-5.4/815-v5.8-i2c-pxa-consolidate-i2c_pxa_-xfer-implementations.patch +++ b/target/linux/generic/backport-5.4/815-v5.8-i2c-pxa-consolidate-i2c_pxa_-xfer-implementations.patch @@ -18,7 +18,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c -@@ -1061,18 +1061,20 @@ static int i2c_pxa_do_xfer(struct pxa_i2 +@@ -1059,18 +1059,20 @@ static int i2c_pxa_do_xfer(struct pxa_i2 return ret; } @@ -44,7 +44,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> udelay(100); } i2c_pxa_scream_blue_murder(i2c, "exhausted retries"); -@@ -1082,6 +1084,14 @@ static int i2c_pxa_xfer(struct i2c_adapt +@@ -1080,6 +1082,14 @@ static int i2c_pxa_xfer(struct i2c_adapt return ret; } @@ -59,7 +59,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> static u32 i2c_pxa_functionality(struct i2c_adapter *adap) { return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | -@@ -1165,7 +1175,6 @@ static int i2c_pxa_pio_xfer(struct i2c_a +@@ -1163,7 +1173,6 @@ static int i2c_pxa_pio_xfer(struct i2c_a struct i2c_msg msgs[], int num) { struct pxa_i2c *i2c = adap->algo_data; @@ -67,7 +67,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> /* If the I2C controller is disabled we need to reset it (probably due to a suspend/resume destroying state). We do -@@ -1174,20 +1183,7 @@ static int i2c_pxa_pio_xfer(struct i2c_a +@@ -1172,20 +1181,7 @@ static int i2c_pxa_pio_xfer(struct i2c_a if (!(readl(_ICR(i2c)) & ICR_IUE)) i2c_pxa_reset(i2c); diff --git a/target/linux/generic/backport-5.4/816-v5.8-i2c-pxa-avoid-complaints-with-non-responsive-slaves.patch b/target/linux/generic/backport-5.4/816-v5.8-i2c-pxa-avoid-complaints-with-non-responsive-slaves.patch index f56e5b647f..63e6db80ad 100644 --- a/target/linux/generic/backport-5.4/816-v5.8-i2c-pxa-avoid-complaints-with-non-responsive-slaves.patch +++ b/target/linux/generic/backport-5.4/816-v5.8-i2c-pxa-avoid-complaints-with-non-responsive-slaves.patch @@ -33,7 +33,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> #define BUS_ERROR (-EREMOTEIO) #define XFER_NAKED (-ECONNREFUSED) #define I2C_RETRY (-2000) /* an error has occurred retry transmit */ -@@ -840,7 +841,7 @@ static void i2c_pxa_irq_txempty(struct p +@@ -838,7 +839,7 @@ static void i2c_pxa_irq_txempty(struct p */ if (isr & ISR_ACKNAK) { if (i2c->msg_ptr == 0 && i2c->msg_idx == 0) @@ -42,7 +42,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> else ret = XFER_NAKED; } -@@ -1068,16 +1069,19 @@ static int i2c_pxa_internal_xfer(struct +@@ -1066,16 +1067,19 @@ static int i2c_pxa_internal_xfer(struct { int ret, i; diff --git a/target/linux/generic/backport-5.4/817-v5.8-i2c-pxa-ensure-timeout-messages-are-unique.patch b/target/linux/generic/backport-5.4/817-v5.8-i2c-pxa-ensure-timeout-messages-are-unique.patch index 24cda47789..37a77b6c5c 100644 --- a/target/linux/generic/backport-5.4/817-v5.8-i2c-pxa-ensure-timeout-messages-are-unique.patch +++ b/target/linux/generic/backport-5.4/817-v5.8-i2c-pxa-ensure-timeout-messages-are-unique.patch @@ -16,7 +16,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c -@@ -1054,7 +1054,7 @@ static int i2c_pxa_do_xfer(struct pxa_i2 +@@ -1052,7 +1052,7 @@ static int i2c_pxa_do_xfer(struct pxa_i2 ret = i2c->msg_idx; if (!timeout && i2c->msg_num) { @@ -25,7 +25,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ret = I2C_RETRY; } -@@ -1124,7 +1124,7 @@ static int i2c_pxa_pio_set_master(struct +@@ -1122,7 +1122,7 @@ static int i2c_pxa_pio_set_master(struct if (timeout < 0) { show_state(i2c); dev_err(&i2c->adap.dev, @@ -34,7 +34,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> return I2C_RETRY; } -@@ -1168,7 +1168,7 @@ static int i2c_pxa_do_pio_xfer(struct px +@@ -1166,7 +1166,7 @@ static int i2c_pxa_do_pio_xfer(struct px out: if (timeout == 0) { diff --git a/target/linux/generic/backport-5.4/818-v5.8-i2c-pxa-remove-some-unnecessary-debug.patch b/target/linux/generic/backport-5.4/818-v5.8-i2c-pxa-remove-some-unnecessary-debug.patch index f14bb30e38..5438588ded 100644 --- a/target/linux/generic/backport-5.4/818-v5.8-i2c-pxa-remove-some-unnecessary-debug.patch +++ b/target/linux/generic/backport-5.4/818-v5.8-i2c-pxa-remove-some-unnecessary-debug.patch @@ -20,7 +20,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c -@@ -1116,10 +1116,8 @@ static int i2c_pxa_pio_set_master(struct +@@ -1114,10 +1114,8 @@ static int i2c_pxa_pio_set_master(struct /* * Wait for the bus to become free. */ diff --git a/target/linux/generic/backport-5.4/819-v5.8-i2c-pxa-clear-all-master-action-bits-in-i2c_pxa_stop.patch b/target/linux/generic/backport-5.4/819-v5.8-i2c-pxa-clear-all-master-action-bits-in-i2c_pxa_stop.patch deleted file mode 100644 index 70fbffc47f..0000000000 --- a/target/linux/generic/backport-5.4/819-v5.8-i2c-pxa-clear-all-master-action-bits-in-i2c_pxa_stop.patch +++ /dev/null @@ -1,38 +0,0 @@ -From: Russell King <rmk+kernel@armlinux.org.uk> -Bcc: linux@mail.armlinux.org.uk -Subject: [PATCH 5/7] i2c: pxa: clear all master action bits in - i2c_pxa_stop_message() -MIME-Version: 1.0 -Content-Disposition: inline -Content-Transfer-Encoding: 8bit -Content-Type: text/plain; charset="utf-8" - -If we timeout during a message transfer, the control register may -contain bits that cause an action to be set. Read-modify-writing the -register leaving these bits set may trigger the hardware to attempt -one of these actions unintentionally. - -Always clear these bits when cleaning up after a message or after -a timeout. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/i2c/busses/i2c-pxa.c | 6 ++---- - 1 file changed, 2 insertions(+), 4 deletions(-) - ---- a/drivers/i2c/busses/i2c-pxa.c -+++ b/drivers/i2c/busses/i2c-pxa.c -@@ -754,11 +754,9 @@ static inline void i2c_pxa_stop_message( - { - u32 icr; - -- /* -- * Clear the STOP and ACK flags -- */ -+ /* Clear the START, STOP, ACK, TB and MA flags */ - icr = readl(_ICR(i2c)); -- icr &= ~(ICR_STOP | ICR_ACKNAK); -+ icr &= ~(ICR_START | ICR_STOP | ICR_ACKNAK | ICR_TB | ICR_MA); - writel(icr, _ICR(i2c)); - } - |